diff --git a/src/rlc.h b/src/rlc.h
index 28913bd..54f28df 100644
--- a/src/rlc.h
+++ b/src/rlc.h
@@ -31,6 +31,7 @@
 #define RLC_EGPRS_MIN_WS 64 /* min window size */
 #define RLC_EGPRS_MAX_WS 1024 /* min window size */
 #define RLC_EGPRS_SNS 2048 /* EGPRS, must be power of 2 */
+#define RLC_EGPRS_MAX_BSN_DELTA 512
 #define RLC_MAX_SNS  RLC_EGPRS_SNS
 #define RLC_MAX_WS   RLC_EGPRS_MAX_WS
 #define RLC_MAX_LEN 74 /* MCS-9 data unit */
diff --git a/src/tbf.h b/src/tbf.h
index 2eefbee..6c030d2 100644
--- a/src/tbf.h
+++ b/src/tbf.h
@@ -406,7 +406,10 @@
 		unsigned lost_bytes;
 	};
 
-	struct msgb *create_new_bsn(const uint32_t fn, const uint8_t ts);
+	int take_next_bsn(uint32_t fn, int previous_bsn,
+		GprsCodingScheme *next_cs);
+	bool restart_bsn_cycle();
+	int create_new_bsn(const uint32_t fn, GprsCodingScheme cs);
 	struct msgb *create_dl_acked_block(const uint32_t fn, const uint8_t ts,
 					int index, int index2 = -1);
 	int update_window(const uint8_t ssn, const uint8_t *rbb);
diff --git a/src/tbf_dl.cpp b/src/tbf_dl.cpp
index 21b2ba1..e2521f8 100644
--- a/src/tbf_dl.cpp
+++ b/src/tbf_dl.cpp
@@ -326,65 +326,17 @@
 	return msg;
 }
 
-/*
- * Create DL data block
- * The messages are fragmented and forwarded as data blocks.
- */
-struct msgb *gprs_rlcmac_dl_tbf::create_dl_acked_block(uint32_t fn, uint8_t ts)
+bool gprs_rlcmac_dl_tbf::restart_bsn_cycle()
 {
-	LOGP(DRLCMACDL, LOGL_DEBUG, "%s downlink (V(A)==%d .. "
-		"V(S)==%d)\n", tbf_name(this),
-		m_window.v_a(), m_window.v_s());
-
-do_resend:
-	/* check if there is a block with negative acknowledgement */
-	int resend_bsn = m_window.resend_needed();
-	if (resend_bsn >= 0) {
-		LOGP(DRLCMACDL, LOGL_DEBUG, "- Resending BSN %d\n", resend_bsn);
-		/* re-send block with negative aknowlegement */
-		m_window.m_v_b.mark_unacked(resend_bsn);
-		bts->rlc_resent();
-		return create_dl_acked_block(fn, ts, resend_bsn);
-	}
-
-	/* if the window has stalled, or transfer is complete,
-	 * send an unacknowledged block */
-	if (state_is(GPRS_RLCMAC_FINISHED)) {
-		LOGP(DRLCMACDL, LOGL_DEBUG, "- Restarting at BSN %d, "
-			"because all blocks have been transmitted.\n",
-			m_window.v_a());
-		bts->rlc_restarted();
-	} else if (dl_window_stalled()) {
-		LOGP(DRLCMACDL, LOGL_NOTICE, "- Restarting at BSN %d, "
-			"because all window is stalled.\n",
-			m_window.v_a());
-		bts->rlc_stalled();
-	} else if (have_data()) {
-		/* New blocks may be send */
-		return create_new_bsn(fn, ts);
-	} else if (!m_window.window_empty()) {
-		LOGP(DRLCMACDL, LOGL_DEBUG, "- Restarting at BSN %d, "
-			"because all blocks have been transmitted (FLOW).\n",
-			m_window.v_a());
-		bts->rlc_restarted();
-	} else {
-		/* Nothing left to send, create dummy LLC commands */
-		return create_new_bsn(fn, ts);
-	}
-
 	/* If V(S) == V(A) and finished state, we would have received
-	 * acknowledgement of all transmitted block. In this case we
-	 * would have transmitted the final block, and received ack
-	 * from MS. But in this case we did not receive the final ack
-	 * indication from MS. This should never happen if MS works
-	 * correctly. */
+	 * acknowledgement of all transmitted block.  In this case we would
+	 * have transmitted the final block, and received ack from MS. But in
+	 * this case we did not receive the final ack indication from MS.  This
+	 * should never happen if MS works correctly.
+	 */
 	if (m_window.window_empty()) {
-		LOGP(DRLCMACDL, LOGL_DEBUG, "- MS acked all blocks, "
-			"so we re-transmit final block!\n");
-		/* we just send final block again */
-		int16_t index = m_window.v_s_mod(-1);
-		bts->rlc_resent();
-		return create_dl_acked_block(fn, ts, index);
+		LOGP(DRLCMACDL, LOGL_DEBUG, "- MS acked all blocks\n");
+		return false;
 	}
 
 	/* cycle through all unacked blocks */
@@ -396,11 +348,114 @@
 		LOGP(DRLCMACDL, LOGL_ERROR, "Software error: "
 			"There are no unacknowledged blocks, but V(A) "
 			" != V(S). PLEASE FIX!\n");
-		/* we just send final block again */
-		int16_t index = m_window.v_s_mod(-1);
-		return create_dl_acked_block(fn, ts, index);
+		return false;
 	}
-	goto do_resend;
+
+	return true;
+}
+
+int gprs_rlcmac_dl_tbf::take_next_bsn(uint32_t fn,
+	int previous_bsn, GprsCodingScheme *next_cs)
+{
+	int bsn;
+	GprsCodingScheme cs2;
+	GprsCodingScheme force_cs;
+
+	bsn = m_window.resend_needed();
+
+	if (previous_bsn >= 0) {
+		force_cs = m_rlc.block(previous_bsn)->cs;
+		if (!force_cs.isEgprs())
+			return -1;
+	}
+
+	if (bsn >= 0) {
+		if (previous_bsn == bsn)
+			return -1;
+
+		if (previous_bsn >= 0 &&
+			m_window.mod_sns(bsn - previous_bsn) > RLC_EGPRS_MAX_BSN_DELTA)
+			return -1;
+
+		cs2 = m_rlc.block(bsn)->cs;
+		if (force_cs && !cs2.isCombinable(force_cs))
+			return -1;
+		LOGP(DRLCMACDL, LOGL_DEBUG, "- Resending BSN %d\n", bsn);
+		/* re-send block with negative aknowlegement */
+		m_window.m_v_b.mark_unacked(bsn);
+		bts->rlc_resent();
+	} else if (state_is(GPRS_RLCMAC_FINISHED)) {
+		LOGP(DRLCMACDL, LOGL_DEBUG, "- Restarting at BSN %d, "
+			"because all blocks have been transmitted.\n",
+			m_window.v_a());
+		bts->rlc_restarted();
+		if (restart_bsn_cycle())
+			return take_next_bsn(fn, previous_bsn, next_cs);
+	} else if (dl_window_stalled()) {
+		LOGP(DRLCMACDL, LOGL_NOTICE, "- Restarting at BSN %d, "
+			"because the window is stalled.\n",
+			m_window.v_a());
+		bts->rlc_stalled();
+		if (restart_bsn_cycle())
+			return take_next_bsn(fn, previous_bsn, next_cs);
+	} else if (have_data()) {
+		/* New blocks may be send */
+		cs2 = force_cs ? force_cs : current_cs();
+		LOGP(DRLCMACDL, LOGL_DEBUG,
+			"- Sending new block at BSN %d, CS=%s\n",
+			m_window.v_s(), cs2.name());
+
+		bsn = create_new_bsn(fn, cs2);
+	} else if (!m_window.window_empty()) {
+		LOGP(DRLCMACDL, LOGL_DEBUG, "- Restarting at BSN %d, "
+			"because all blocks have been transmitted (FLOW).\n",
+			m_window.v_a());
+		bts->rlc_restarted();
+		if (restart_bsn_cycle())
+			return take_next_bsn(fn, previous_bsn, next_cs);
+	} else {
+		/* Nothing left to send, create dummy LLC commands */
+		LOGP(DRLCMACDL, LOGL_DEBUG,
+			"- Sending new dummy block at BSN %d, CS=%s\n",
+			m_window.v_s(), current_cs().name());
+		bsn = create_new_bsn(fn, current_cs());
+		/* Don't send a second block */
+	}
+
+	if (bsn < 0) {
+		/* we just send final block again */
+		LOGP(DRLCMACDL, LOGL_DEBUG,
+			"- Nothing else to send, Re-transmit final block!\n");
+		bsn = m_window.v_s_mod(-1);
+		bts->rlc_resent();
+	}
+
+	*next_cs = cs2;
+
+	return bsn;
+}
+
+/*
+ * Create DL data block
+ * The messages are fragmented and forwarded as data blocks.
+ */
+struct msgb *gprs_rlcmac_dl_tbf::create_dl_acked_block(uint32_t fn, uint8_t ts)
+{
+	int bsn, bsn2 = -1;
+	GprsCodingScheme cs, next_cs;
+
+	LOGP(DRLCMACDL, LOGL_DEBUG, "%s downlink (V(A)==%d .. "
+		"V(S)==%d)\n", tbf_name(this),
+		m_window.v_a(), m_window.v_s());
+
+	bsn = take_next_bsn(fn, -1, &next_cs);
+	if (bsn < 0)
+		return NULL;
+
+	if (next_cs.numDataBlocks() > 1)
+		bsn2 = take_next_bsn(fn, bsn, &next_cs);
+
+	return create_dl_acked_block(fn, ts, bsn, bsn2);
 }
 
 void gprs_rlcmac_dl_tbf::schedule_next_frame()
@@ -425,12 +480,11 @@
 	m_last_dl_drained_fn = -1;
 }
 
-struct msgb *gprs_rlcmac_dl_tbf::create_new_bsn(const uint32_t fn, const uint8_t ts)
+int gprs_rlcmac_dl_tbf::create_new_bsn(const uint32_t fn, GprsCodingScheme cs)
 {
 	uint8_t *data;
 	gprs_rlc_data *rlc_data;
 	const uint16_t bsn = m_window.v_s();
-	GprsCodingScheme cs = current_cs();
 	gprs_rlc_data_block_info *rdbi;
 	int num_chunks = 0;
 	int write_offset = 0;
@@ -439,9 +493,6 @@
 	if (m_llc.frame_length() == 0)
 		schedule_next_frame();
 
-	LOGP(DRLCMACDL, LOGL_DEBUG, "- Sending new block at BSN %d, CS=%s\n",
-		m_window.v_s(), cs.name());
-
 	OSMO_ASSERT(cs.isValid());
 
 	/* length of usable data block (single data unit w/o header) */
@@ -514,7 +565,7 @@
 	m_window.m_v_b.mark_unacked(bsn);
 	m_window.increment_send();
 
-	return create_dl_acked_block(fn, ts, bsn);
+	return bsn;
 }
 
 struct msgb *gprs_rlcmac_dl_tbf::create_dl_acked_block(
diff --git a/tests/tbf/TbfTest.err b/tests/tbf/TbfTest.err
index d97589e..e002738 100644
--- a/tests/tbf/TbfTest.err
+++ b/tests/tbf/TbfTest.err
@@ -68,8 +68,8 @@
 Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=0 block=0 data=4f 08 20 00 44 02 00 02 08 04 00 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) downlink (V(A)==0 .. V(S)==0)
-- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) (len=200)
 - Sending new block at BSN 0, CS=CS-1
+- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) (len=200)
 -- Chunk with length 200 larger than space (20) left in block: copy only remaining space, and we are done
 data block (BSN 0, CS-1): 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 10 11 12 13 
 - Copying data unit 0 (BSN 0)
@@ -153,8 +153,8 @@
 Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=0 block=0 data=4f 08 20 00 44 02 00 02 08 04 00 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) downlink (V(A)==0 .. V(S)==0)
-- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) (len=200)
 - Sending new block at BSN 0, CS=CS-1
+- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) (len=200)
 -- Chunk with length 200 larger than space (20) left in block: copy only remaining space, and we are done
 data block (BSN 0, CS-1): 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 10 11 12 13 
 - Copying data unit 0 (BSN 0)
@@ -238,8 +238,8 @@
 Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=0 block=0 data=4f 08 20 00 44 02 00 02 08 04 00 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) downlink (V(A)==0 .. V(S)==0)
-- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) (len=200)
 - Sending new block at BSN 0, CS=CS-1
+- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) (len=200)
 -- Chunk with length 200 larger than space (20) left in block: copy only remaining space, and we are done
 data block (BSN 0, CS-1): 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 10 11 12 13 
 - Copying data unit 0 (BSN 0)
@@ -443,7 +443,7 @@
 - V(B): (V(A)=21)""(V(S)-1=20)  A=Acked N=Nacked U=Unacked X=Resend-Unacked I=Invalid
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=4
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) downlink (V(A)==21 .. V(S)==21)
-- Sending new block at BSN 21, CS=CS-1
+- Sending new dummy block at BSN 21, CS=CS-1
 -- Empty chunk, added LLC dummy command of size 19, drained_since=4
 -- Chunk with length 19 is less than remaining space (20): add length header to to delimit LLC frame
 -- No space left, so we are done.
@@ -461,7 +461,7 @@
 - V(B): (V(A)=22)""(V(S)-1=21)  A=Acked N=Nacked U=Unacked X=Resend-Unacked I=Invalid
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=4
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) downlink (V(A)==22 .. V(S)==22)
-- Sending new block at BSN 22, CS=CS-1
+- Sending new dummy block at BSN 22, CS=CS-1
 -- Empty chunk, added LLC dummy command of size 19, drained_since=112
 -- Chunk with length 19 is less than remaining space (20): add length header to to delimit LLC frame
 -- Final block, so we done.
@@ -1474,8 +1474,8 @@
 TBF(TFI=0 TLLI=0xc0123456 DIR=DL STATE=ASSIGN) changes state from ASSIGN to WAIT ASSIGN
 TBF(TFI=0 TLLI=0xc0123456 DIR=DL STATE=WAIT ASSIGN) append
 TBF(TFI=0 TLLI=0xc0123456 DIR=DL STATE=WAIT ASSIGN) downlink (V(A)==0 .. V(S)==0)
-- Dequeue next LLC for TBF(TFI=0 TLLI=0xc0123456 DIR=DL STATE=WAIT ASSIGN) (len=19)
 - Sending new block at BSN 0, CS=CS-1
+- Dequeue next LLC for TBF(TFI=0 TLLI=0xc0123456 DIR=DL STATE=WAIT ASSIGN) (len=19)
 -- Chunk with length 19 is less than remaining space (20): add length header to to delimit LLC frame
 -- No space left, so we are done.
 Complete DL frame for TBF(TFI=0 TLLI=0xc0123456 DIR=DL STATE=WAIT ASSIGN)len=19
@@ -1777,8 +1777,8 @@
 Received RTS for PDCH: TRX=0 TS=7 FN=2654279 block_nr=10 scheduling USF=0 for required uplink resource of UL TFI=0
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=7) prio=3
 TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=FLOW) downlink (V(A)==0 .. V(S)==0)
-- Dequeue next LLC for TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=FLOW) (len=10)
 - Sending new block at BSN 0, CS=CS-4
+- Dequeue next LLC for TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=FLOW) (len=10)
 -- Chunk with length 10 is less than remaining space (50): add length header to to delimit LLC frame
 -- Final block, so we done.
 Complete DL frame for TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=FLOW)len=10
@@ -2358,8 +2358,8 @@
 Received RTS for PDCH: TRX=0 TS=7 FN=2654279 block_nr=10 scheduling USF=0 for required uplink resource of UL TFI=0
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=7) prio=3
 TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=FLOW) downlink (V(A)==0 .. V(S)==0)
-- Dequeue next LLC for TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=FLOW) (len=13)
 - Sending new block at BSN 0, CS=CS-1
+- Dequeue next LLC for TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=FLOW) (len=13)
 -- Chunk with length 13 is less than remaining space (20): add length header to to delimit LLC frame
 Complete DL frame for TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=FLOW)len=13
 - Dequeue next LLC for TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=FLOW) (len=13)
@@ -3024,8 +3024,8 @@
 Received RTS for PDCH: TRX=0 TS=7 FN=2654405 block_nr=3 scheduling USF=0 for required uplink resource of UL TFI=0
 Scheduling data message at RTS for DL TFI=1 (TRX=0, TS=7) prio=3
 TBF(TFI=1 TLLI=0xf1223344 DIR=DL STATE=FLOW) downlink (V(A)==0 .. V(S)==0)
-- Dequeue next LLC for TBF(TFI=1 TLLI=0xf1223344 DIR=DL STATE=FLOW) (len=21)
 - Sending new block at BSN 0, CS=CS-1
+- Dequeue next LLC for TBF(TFI=1 TLLI=0xf1223344 DIR=DL STATE=FLOW) (len=21)
 -- Chunk with length 21 larger than space (20) left in block: copy only remaining space, and we are done
 data block (BSN 0, CS-1): 4c 4c 43 20 50 41 43 4b 45 54 20 30 30 20 28 54 42 46 20 32 
 - Copying data unit 0 (BSN 0)
@@ -3433,8 +3433,8 @@
 Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=0 block=0 data=4f 08 20 00 44 02 00 02 08 04 00 c0 0b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==0)
-- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) (len=10)
 - Sending new block at BSN 0, CS=MCS-1
+- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) (len=10)
 -- Chunk with length 10 is less than remaining space (22): add length header to to delimit LLC frame
 Complete DL frame for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)len=10
 -- Empty chunk, added LLC dummy command of size 10, drained_since=0
@@ -3451,8 +3451,8 @@
 Received RTS for PDCH: TRX=0 TS=4 FN=8 block_nr=2 scheduling free USF for polling at FN=13 of TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==1)
-- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) (len=512)
 - Sending new block at BSN 1, CS=MCS-1
+- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) (len=512)
 -- Chunk with length 512 larger than space (22) left in block: copy only remaining space, and we are done
 data block (BSN 1, MCS-1): 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 
 - Copying data unit 0 (BSN 1)
@@ -3741,8 +3741,8 @@
 Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=0 block=0 data=4f 08 20 00 44 02 00 02 08 04 00 c0 0b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==0)
-- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) (len=10)
 - Sending new block at BSN 0, CS=MCS-2
+- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) (len=10)
 -- Chunk with length 10 is less than remaining space (28): add length header to to delimit LLC frame
 Complete DL frame for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)len=10
 -- Empty chunk, added LLC dummy command of size 16, drained_since=0
@@ -3759,8 +3759,8 @@
 Received RTS for PDCH: TRX=0 TS=4 FN=8 block_nr=2 scheduling free USF for polling at FN=13 of TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==1)
-- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) (len=512)
 - Sending new block at BSN 1, CS=MCS-2
+- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) (len=512)
 -- Chunk with length 512 larger than space (28) left in block: copy only remaining space, and we are done
 data block (BSN 1, MCS-2): 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 
 - Copying data unit 0 (BSN 1)
@@ -3999,8 +3999,8 @@
 Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=0 block=0 data=4f 08 20 00 44 02 00 02 08 04 00 c0 0b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==0)
-- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) (len=10)
 - Sending new block at BSN 0, CS=MCS-3
+- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) (len=10)
 -- Chunk with length 10 is less than remaining space (37): add length header to to delimit LLC frame
 Complete DL frame for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)len=10
 -- Empty chunk, added LLC dummy command of size 25, drained_since=0
@@ -4017,8 +4017,8 @@
 Received RTS for PDCH: TRX=0 TS=4 FN=8 block_nr=2 scheduling free USF for polling at FN=13 of TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==1)
-- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) (len=512)
 - Sending new block at BSN 1, CS=MCS-3
+- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) (len=512)
 -- Chunk with length 512 larger than space (37) left in block: copy only remaining space, and we are done
 data block (BSN 1, MCS-3): 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 
 - Copying data unit 0 (BSN 1)
@@ -4220,8 +4220,8 @@
 Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=0 block=0 data=4f 08 20 00 44 02 00 02 08 04 00 c0 0b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==0)
-- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) (len=10)
 - Sending new block at BSN 0, CS=MCS-4
+- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) (len=10)
 -- Chunk with length 10 is less than remaining space (44): add length header to to delimit LLC frame
 Complete DL frame for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)len=10
 -- Empty chunk, added LLC dummy command of size 32, drained_since=0
@@ -4238,8 +4238,8 @@
 Received RTS for PDCH: TRX=0 TS=4 FN=8 block_nr=2 scheduling free USF for polling at FN=13 of TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==1)
-- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) (len=512)
 - Sending new block at BSN 1, CS=MCS-4
+- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) (len=512)
 -- Chunk with length 512 larger than space (44) left in block: copy only remaining space, and we are done
 data block (BSN 1, MCS-4): 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 
 - Copying data unit 0 (BSN 1)
@@ -4408,8 +4408,8 @@
 Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=0 block=0 data=4f 08 20 00 44 02 00 02 08 04 00 c0 0b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==0)
-- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) (len=10)
 - Sending new block at BSN 0, CS=MCS-5
+- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) (len=10)
 -- Chunk with length 10 is less than remaining space (56): add length header to to delimit LLC frame
 Complete DL frame for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)len=10
 -- Empty chunk, added LLC dummy command of size 44, drained_since=0
@@ -4426,8 +4426,8 @@
 Received RTS for PDCH: TRX=0 TS=4 FN=8 block_nr=2 scheduling free USF for polling at FN=13 of TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==1)
-- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) (len=512)
 - Sending new block at BSN 1, CS=MCS-5
+- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) (len=512)
 -- Chunk with length 512 larger than space (56) left in block: copy only remaining space, and we are done
 data block (BSN 1, MCS-5): 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 
 - Copying data unit 0 (BSN 1)
@@ -4576,8 +4576,8 @@
 Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=0 block=0 data=4f 08 20 00 44 02 00 02 08 04 00 c0 0b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==0)
-- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) (len=10)
 - Sending new block at BSN 0, CS=MCS-6
+- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) (len=10)
 -- Chunk with length 10 is less than remaining space (74): add length header to to delimit LLC frame
 Complete DL frame for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)len=10
 -- Empty chunk, added LLC dummy command of size 62, drained_since=0
@@ -4594,8 +4594,8 @@
 Received RTS for PDCH: TRX=0 TS=4 FN=8 block_nr=2 scheduling free USF for polling at FN=13 of TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==1)
-- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) (len=512)
 - Sending new block at BSN 1, CS=MCS-6
+- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) (len=512)
 -- Chunk with length 512 larger than space (74) left in block: copy only remaining space, and we are done
 data block (BSN 1, MCS-6): 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 
 - Copying data unit 0 (BSN 1)
@@ -4727,8 +4727,8 @@
 Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=0 block=0 data=4f 08 20 00 44 02 00 02 08 04 00 c0 0b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==0)
-- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) (len=10)
 - Sending new block at BSN 0, CS=MCS-7
+- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) (len=10)
 -- Chunk with length 10 is less than remaining space (56): add length header to to delimit LLC frame
 Complete DL frame for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)len=10
 -- Empty chunk, added LLC dummy command of size 44, drained_since=0
@@ -4736,6 +4736,7 @@
 -- No space left, so we are done.
 Complete DL frame for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)len=44
 data block (BSN 0, MCS-7): 14 59 01 01 01 01 01 01 01 01 01 01 43 c0 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
+- Restarting at BSN 0, because all blocks have been transmitted (FLOW).
 - Copying data unit 0 (BSN 0)
 - Scheduling Ack/Nack polling, because is was requested explicitly (e.g. first final block sent).
 Polling is already scheduled for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
@@ -4745,95 +4746,73 @@
 Received RTS for PDCH: TRX=0 TS=4 FN=8 block_nr=2 scheduling free USF for polling at FN=13 of TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==1)
-- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) (len=512)
+- Resending BSN 0
 - Sending new block at BSN 1, CS=MCS-7
+- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) (len=512)
 -- Chunk with length 512 larger than space (56) left in block: copy only remaining space, and we are done
 data block (BSN 1, MCS-7): 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 
-- Copying data unit 0 (BSN 1)
+- Copying data unit 0 (BSN 0)
+- Copying data unit 1 (BSN 1)
 - Scheduling Ack/Nack polling, because is was requested explicitly (e.g. first final block sent).
 Polling is already scheduled for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
-msg block (BSN 1, MCS-5): 07 40 00 58 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
-Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=8 block=2 data=07 40 00 58 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
+msg block (BSN 0, MCS-7): 07 00 00 02 a8 50 64 05 04 04 04 04 04 04 04 04 04 0c 01 07 ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac 14 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 00 
+Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=8 block=2 data=07 00 00 02 a8 50 64 05 04 04 04 04 04 04 04 04 04 0c 01 07 ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac 14 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 00 
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==2)
 - Sending new block at BSN 2, CS=MCS-7
 -- Chunk with length 456 larger than space (56) left in block: copy only remaining space, and we are done
 data block (BSN 2, MCS-7): 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 
-- Copying data unit 0 (BSN 2)
-- Scheduling Ack/Nack polling, because is was requested explicitly (e.g. first final block sent).
-Polling is already scheduled for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
-msg block (BSN 2, MCS-5): 07 80 00 58 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
-Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=13 block=3 data=07 80 00 58 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
-Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==3)
 - Sending new block at BSN 3, CS=MCS-7
 -- Chunk with length 400 larger than space (56) left in block: copy only remaining space, and we are done
 data block (BSN 3, MCS-7): 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 
-- Copying data unit 0 (BSN 3)
+- Copying data unit 0 (BSN 2)
+- Copying data unit 1 (BSN 3)
 - Scheduling Ack/Nack polling, because is was requested explicitly (e.g. first final block sent).
 Polling is already scheduled for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
-msg block (BSN 3, MCS-5): 07 c0 00 58 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
-Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=17 block=4 data=07 c0 00 58 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
+msg block (BSN 2, MCS-7): 07 80 00 02 a8 05 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 14 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 00 
+Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=13 block=3 data=07 80 00 02 a8 05 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 14 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 00 
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==4)
 - Sending new block at BSN 4, CS=MCS-7
 -- Chunk with length 344 larger than space (56) left in block: copy only remaining space, and we are done
 data block (BSN 4, MCS-7): 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 
-- Copying data unit 0 (BSN 4)
-- Scheduling Ack/Nack polling, because is was requested explicitly (e.g. first final block sent).
-Polling is already scheduled for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
-msg block (BSN 4, MCS-5): 07 00 01 58 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
-Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=21 block=5 data=07 00 01 58 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
-Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==5)
 - Sending new block at BSN 5, CS=MCS-7
 -- Chunk with length 288 larger than space (56) left in block: copy only remaining space, and we are done
 data block (BSN 5, MCS-7): 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 
-- Copying data unit 0 (BSN 5)
+- Copying data unit 0 (BSN 4)
+- Copying data unit 1 (BSN 5)
 - Scheduling Ack/Nack polling, because is was requested explicitly (e.g. first final block sent).
 Polling is already scheduled for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
-msg block (BSN 5, MCS-5): 07 40 01 58 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
-Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=26 block=6 data=07 40 01 58 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
+msg block (BSN 4, MCS-7): 07 00 01 02 a8 05 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 14 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 00 
+Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=17 block=4 data=07 00 01 02 a8 05 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 14 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 00 
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==6)
 - Sending new block at BSN 6, CS=MCS-7
 -- Chunk with length 232 larger than space (56) left in block: copy only remaining space, and we are done
 data block (BSN 6, MCS-7): 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 
-- Copying data unit 0 (BSN 6)
-- Scheduling Ack/Nack polling, because is was requested explicitly (e.g. first final block sent).
-Polling is already scheduled for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
-msg block (BSN 6, MCS-5): 07 80 01 58 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
-Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=30 block=7 data=07 80 01 58 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
-Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==7)
 - Sending new block at BSN 7, CS=MCS-7
 -- Chunk with length 176 larger than space (56) left in block: copy only remaining space, and we are done
 data block (BSN 7, MCS-7): 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 
-- Copying data unit 0 (BSN 7)
+- Copying data unit 0 (BSN 6)
+- Copying data unit 1 (BSN 7)
 - Scheduling Ack/Nack polling, because is was requested explicitly (e.g. first final block sent).
 Polling is already scheduled for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
-msg block (BSN 7, MCS-5): 07 c0 01 58 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
-Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=34 block=8 data=07 c0 01 58 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
+msg block (BSN 6, MCS-7): 07 80 01 02 a8 05 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 14 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 00 
+Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=21 block=5 data=07 80 01 02 a8 05 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 14 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 00 
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==8)
 - Sending new block at BSN 8, CS=MCS-7
 -- Chunk with length 120 larger than space (56) left in block: copy only remaining space, and we are done
 data block (BSN 8, MCS-7): 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 
-- Copying data unit 0 (BSN 8)
-- Scheduling Ack/Nack polling, because is was requested explicitly (e.g. first final block sent).
-Polling is already scheduled for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
-msg block (BSN 8, MCS-5): 07 00 02 58 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
-Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=39 block=9 data=07 00 02 58 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
-Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==9)
 - Sending new block at BSN 9, CS=MCS-7
 -- Chunk with length 64 larger than space (56) left in block: copy only remaining space, and we are done
 data block (BSN 9, MCS-7): 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 
-- Copying data unit 0 (BSN 9)
+- Copying data unit 0 (BSN 8)
+- Copying data unit 1 (BSN 9)
 - Scheduling Ack/Nack polling, because is was requested explicitly (e.g. first final block sent).
 Polling is already scheduled for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
-msg block (BSN 9, MCS-5): 07 40 02 58 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
-Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=43 block=10 data=07 40 02 58 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
+msg block (BSN 8, MCS-7): 07 00 02 02 a8 05 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 14 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 00 
+Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=26 block=6 data=07 00 02 02 a8 05 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 14 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 00 
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==10)
 - Sending new block at BSN 10, CS=MCS-7
@@ -4844,11 +4823,12 @@
 -- No space left, so we are done.
 Complete DL frame for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)len=46
 data block (BSN 10, MCS-7): 10 5d 01 01 01 01 01 01 01 01 43 c0 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
+- Restarting at BSN 0, because all blocks have been transmitted (FLOW).
 - Copying data unit 0 (BSN 10)
 - Scheduling Ack/Nack polling, because is was requested explicitly (e.g. first final block sent).
 Polling is already scheduled for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 msg block (BSN 10, MCS-5): 07 80 02 08 44 57 40 40 40 40 40 40 40 c0 10 70 c0 ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca 0a 
-Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=47 block=11 data=07 80 02 08 44 57 40 40 40 40 40 40 40 c0 10 70 c0 ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca 0a 
+Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=30 block=7 data=07 80 02 08 44 57 40 40 40 40 40 40 40 c0 10 70 c0 ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca 0a 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink acknowledge
 - Final ACK received.
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) changes state from FLOW to WAIT RELEASE
@@ -4895,8 +4875,8 @@
 Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=0 block=0 data=4f 08 20 00 44 02 00 02 08 04 00 c0 0b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==0)
-- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) (len=10)
 - Sending new block at BSN 0, CS=MCS-8
+- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) (len=10)
 -- Chunk with length 10 is less than remaining space (68): add length header to to delimit LLC frame
 Complete DL frame for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)len=10
 -- Empty chunk, added LLC dummy command of size 56, drained_since=0
@@ -4904,6 +4884,7 @@
 -- No space left, so we are done.
 Complete DL frame for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)len=56
 data block (BSN 0, MCS-8): 14 71 01 01 01 01 01 01 01 01 01 01 43 c0 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
+- Restarting at BSN 0, because all blocks have been transmitted (FLOW).
 - Copying data unit 0 (BSN 0)
 - Scheduling Ack/Nack polling, because is was requested explicitly (e.g. first final block sent).
 Polling is already scheduled for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
@@ -4913,75 +4894,59 @@
 Received RTS for PDCH: TRX=0 TS=4 FN=8 block_nr=2 scheduling free USF for polling at FN=13 of TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==1)
-- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) (len=512)
+- Resending BSN 0
 - Sending new block at BSN 1, CS=MCS-8
+- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) (len=512)
 -- Chunk with length 512 larger than space (68) left in block: copy only remaining space, and we are done
 data block (BSN 1, MCS-8): 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 
-- Copying data unit 0 (BSN 1)
+- Copying data unit 0 (BSN 0)
+- Copying data unit 1 (BSN 1)
 - Scheduling Ack/Nack polling, because is was requested explicitly (e.g. first final block sent).
 Polling is already scheduled for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
-msg block (BSN 1, MCS-6, padded): 07 40 00 04 00 00 00 00 00 50 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
-Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=8 block=2 data=07 40 00 04 00 00 00 00 00 50 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
+msg block (BSN 0, MCS-8): 07 00 00 02 60 50 c4 05 04 04 04 04 04 04 04 04 04 0c 01 07 ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac 14 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 00 
+Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=8 block=2 data=07 00 00 02 60 50 c4 05 04 04 04 04 04 04 04 04 04 0c 01 07 ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac 14 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 00 
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==2)
 - Sending new block at BSN 2, CS=MCS-8
 -- Chunk with length 444 larger than space (68) left in block: copy only remaining space, and we are done
 data block (BSN 2, MCS-8): 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 
-- Copying data unit 0 (BSN 2)
-- Scheduling Ack/Nack polling, because is was requested explicitly (e.g. first final block sent).
-Polling is already scheduled for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
-msg block (BSN 2, MCS-6, padded): 07 80 00 04 00 00 00 00 00 50 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
-Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=13 block=3 data=07 80 00 04 00 00 00 00 00 50 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
-Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==3)
 - Sending new block at BSN 3, CS=MCS-8
 -- Chunk with length 376 larger than space (68) left in block: copy only remaining space, and we are done
 data block (BSN 3, MCS-8): 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 
-- Copying data unit 0 (BSN 3)
+- Copying data unit 0 (BSN 2)
+- Copying data unit 1 (BSN 3)
 - Scheduling Ack/Nack polling, because is was requested explicitly (e.g. first final block sent).
 Polling is already scheduled for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
-msg block (BSN 3, MCS-6, padded): 07 c0 00 04 00 00 00 00 00 50 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
-Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=17 block=4 data=07 c0 00 04 00 00 00 00 00 50 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
+msg block (BSN 2, MCS-8): 07 80 00 02 60 05 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 14 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 00 
+Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=13 block=3 data=07 80 00 02 60 05 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 14 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 00 
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==4)
 - Sending new block at BSN 4, CS=MCS-8
 -- Chunk with length 308 larger than space (68) left in block: copy only remaining space, and we are done
 data block (BSN 4, MCS-8): 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 
-- Copying data unit 0 (BSN 4)
-- Scheduling Ack/Nack polling, because is was requested explicitly (e.g. first final block sent).
-Polling is already scheduled for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
-msg block (BSN 4, MCS-6, padded): 07 00 01 04 00 00 00 00 00 50 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
-Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=21 block=5 data=07 00 01 04 00 00 00 00 00 50 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
-Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==5)
 - Sending new block at BSN 5, CS=MCS-8
 -- Chunk with length 240 larger than space (68) left in block: copy only remaining space, and we are done
 data block (BSN 5, MCS-8): 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 
-- Copying data unit 0 (BSN 5)
+- Copying data unit 0 (BSN 4)
+- Copying data unit 1 (BSN 5)
 - Scheduling Ack/Nack polling, because is was requested explicitly (e.g. first final block sent).
 Polling is already scheduled for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
-msg block (BSN 5, MCS-6, padded): 07 40 01 04 00 00 00 00 00 50 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
-Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=26 block=6 data=07 40 01 04 00 00 00 00 00 50 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
+msg block (BSN 4, MCS-8): 07 00 01 02 60 05 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 14 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 00 
+Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=17 block=4 data=07 00 01 02 60 05 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 14 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 00 
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==6)
 - Sending new block at BSN 6, CS=MCS-8
 -- Chunk with length 172 larger than space (68) left in block: copy only remaining space, and we are done
 data block (BSN 6, MCS-8): 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 
-- Copying data unit 0 (BSN 6)
-- Scheduling Ack/Nack polling, because is was requested explicitly (e.g. first final block sent).
-Polling is already scheduled for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
-msg block (BSN 6, MCS-6, padded): 07 80 01 04 00 00 00 00 00 50 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
-Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=30 block=7 data=07 80 01 04 00 00 00 00 00 50 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
-Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==7)
 - Sending new block at BSN 7, CS=MCS-8
 -- Chunk with length 104 larger than space (68) left in block: copy only remaining space, and we are done
 data block (BSN 7, MCS-8): 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 
-- Copying data unit 0 (BSN 7)
+- Copying data unit 0 (BSN 6)
+- Copying data unit 1 (BSN 7)
 - Scheduling Ack/Nack polling, because is was requested explicitly (e.g. first final block sent).
 Polling is already scheduled for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
-msg block (BSN 7, MCS-6, padded): 07 c0 01 04 00 00 00 00 00 50 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
-Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=34 block=8 data=07 c0 01 04 00 00 00 00 00 50 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
+msg block (BSN 6, MCS-8): 07 80 01 02 60 05 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 14 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 00 
+Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=21 block=5 data=07 80 01 02 60 05 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 14 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 00 
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==8)
 - Sending new block at BSN 8, CS=MCS-8
@@ -4992,11 +4957,12 @@
 -- No space left, so we are done.
 Complete DL frame for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)len=30
 data block (BSN 8, MCS-8): 48 3d 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 43 c0 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
+- Restarting at BSN 0, because all blocks have been transmitted (FLOW).
 - Copying data unit 0 (BSN 8)
 - Scheduling Ack/Nack polling, because is was requested explicitly (e.g. first final block sent).
 Polling is already scheduled for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 msg block (BSN 8, MCS-6, padded): 07 00 02 04 00 00 00 00 00 00 52 4f 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 c0 10 70 c0 ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca 0a 
-Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=39 block=9 data=07 00 02 04 00 00 00 00 00 00 52 4f 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 c0 10 70 c0 ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca 0a 
+Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=26 block=6 data=07 00 02 04 00 00 00 00 00 00 52 4f 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 c0 10 70 c0 ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca 0a 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink acknowledge
 - Final ACK received.
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) changes state from FLOW to WAIT RELEASE
@@ -5043,8 +5009,8 @@
 Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=0 block=0 data=4f 08 20 00 44 02 00 02 08 04 00 c0 0b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==0)
-- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) (len=10)
 - Sending new block at BSN 0, CS=MCS-9
+- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) (len=10)
 -- Chunk with length 10 is less than remaining space (74): add length header to to delimit LLC frame
 Complete DL frame for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)len=10
 -- Empty chunk, added LLC dummy command of size 62, drained_since=0
@@ -5052,6 +5018,7 @@
 -- No space left, so we are done.
 Complete DL frame for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)len=62
 data block (BSN 0, MCS-9): 14 7d 01 01 01 01 01 01 01 01 01 01 43 c0 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
+- Restarting at BSN 0, because all blocks have been transmitted (FLOW).
 - Copying data unit 0 (BSN 0)
 - Scheduling Ack/Nack polling, because is was requested explicitly (e.g. first final block sent).
 Polling is already scheduled for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
@@ -5061,78 +5028,62 @@
 Received RTS for PDCH: TRX=0 TS=4 FN=8 block_nr=2 scheduling free USF for polling at FN=13 of TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==1)
-- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) (len=512)
+- Resending BSN 0
 - Sending new block at BSN 1, CS=MCS-9
+- Dequeue next LLC for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) (len=512)
 -- Chunk with length 512 larger than space (74) left in block: copy only remaining space, and we are done
 data block (BSN 1, MCS-9): 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 
-- Copying data unit 0 (BSN 1)
+- Copying data unit 0 (BSN 0)
+- Copying data unit 1 (BSN 1)
 - Scheduling Ack/Nack polling, because is was requested explicitly (e.g. first final block sent).
 Polling is already scheduled for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
-msg block (BSN 1, MCS-6): 07 40 00 50 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
-Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=8 block=2 data=07 40 00 50 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
+msg block (BSN 0, MCS-9): 07 00 00 02 08 50 f4 05 04 04 04 04 04 04 04 04 04 0c 01 07 ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac 14 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 00 
+Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=8 block=2 data=07 00 00 02 08 50 f4 05 04 04 04 04 04 04 04 04 04 0c 01 07 ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac 14 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 00 
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==2)
 - Sending new block at BSN 2, CS=MCS-9
 -- Chunk with length 438 larger than space (74) left in block: copy only remaining space, and we are done
 data block (BSN 2, MCS-9): 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 
-- Copying data unit 0 (BSN 2)
-- Scheduling Ack/Nack polling, because is was requested explicitly (e.g. first final block sent).
-Polling is already scheduled for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
-msg block (BSN 2, MCS-6): 07 80 00 50 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
-Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=13 block=3 data=07 80 00 50 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
-Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==3)
 - Sending new block at BSN 3, CS=MCS-9
 -- Chunk with length 364 larger than space (74) left in block: copy only remaining space, and we are done
 data block (BSN 3, MCS-9): 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 
-- Copying data unit 0 (BSN 3)
+- Copying data unit 0 (BSN 2)
+- Copying data unit 1 (BSN 3)
 - Scheduling Ack/Nack polling, because is was requested explicitly (e.g. first final block sent).
 Polling is already scheduled for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
-msg block (BSN 3, MCS-6): 07 c0 00 50 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
-Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=17 block=4 data=07 c0 00 50 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
+msg block (BSN 2, MCS-9): 07 80 00 02 08 05 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 14 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 00 
+Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=13 block=3 data=07 80 00 02 08 05 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 14 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 00 
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==4)
 - Sending new block at BSN 4, CS=MCS-9
 -- Chunk with length 290 larger than space (74) left in block: copy only remaining space, and we are done
 data block (BSN 4, MCS-9): 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 
-- Copying data unit 0 (BSN 4)
-- Scheduling Ack/Nack polling, because is was requested explicitly (e.g. first final block sent).
-Polling is already scheduled for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
-msg block (BSN 4, MCS-6): 07 00 01 50 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
-Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=21 block=5 data=07 00 01 50 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
-Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==5)
 - Sending new block at BSN 5, CS=MCS-9
 -- Chunk with length 216 larger than space (74) left in block: copy only remaining space, and we are done
 data block (BSN 5, MCS-9): 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 
-- Copying data unit 0 (BSN 5)
+- Copying data unit 0 (BSN 4)
+- Copying data unit 1 (BSN 5)
 - Scheduling Ack/Nack polling, because is was requested explicitly (e.g. first final block sent).
 Polling is already scheduled for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
-msg block (BSN 5, MCS-6): 07 40 01 50 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
-Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=26 block=6 data=07 40 01 50 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
+msg block (BSN 4, MCS-9): 07 00 01 02 08 05 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 14 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 00 
+Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=17 block=4 data=07 00 01 02 08 05 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 14 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 00 
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==6)
 - Sending new block at BSN 6, CS=MCS-9
 -- Chunk with length 142 larger than space (74) left in block: copy only remaining space, and we are done
 data block (BSN 6, MCS-9): 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 
-- Copying data unit 0 (BSN 6)
-- Scheduling Ack/Nack polling, because is was requested explicitly (e.g. first final block sent).
-Polling is already scheduled for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
-msg block (BSN 6, MCS-6): 07 80 01 50 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
-Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=30 block=7 data=07 80 01 50 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 00 
-Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==7)
 - Sending new block at BSN 7, CS=MCS-9
 -- Chunk with length 68 is less than remaining space (74): add length header to to delimit LLC frame
 Complete DL frame for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)len=512
 -- Empty chunk, added LLC dummy command of size 6, drained_since=0
 -- Chunk with length 6 larger than space (5) left in block: copy only remaining space, and we are done
 data block (BSN 7, MCS-9): 89 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 43 c0 01 2b 2b 
-- Copying data unit 0 (BSN 7)
+- Copying data unit 0 (BSN 6)
+- Copying data unit 1 (BSN 7)
 - Scheduling Ack/Nack polling, because is was requested explicitly (e.g. first final block sent).
 Polling is already scheduled for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
-msg block (BSN 7, MCS-6): 07 c0 01 40 62 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 c0 10 70 c0 ca 0a 
-Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=34 block=8 data=07 c0 01 40 62 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 c0 10 70 c0 ca 0a 
+msg block (BSN 6, MCS-9): 07 80 01 02 08 05 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 90 18 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 30 04 1c b0 b2 02 
+Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=21 block=5 data=07 80 01 02 08 05 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 90 18 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 30 04 1c b0 b2 02 
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==8)
 - Sending new block at BSN 8, CS=MCS-9
@@ -5143,11 +5094,12 @@
 -- No space left, so we are done.
 Complete DL frame for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)len=71
 data block (BSN 8, MCS-9): 02 8f 2b 43 c0 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
+- Restarting at BSN 0, because all blocks have been transmitted (FLOW).
 - Copying data unit 0 (BSN 8)
 - Scheduling Ack/Nack polling, because is was requested explicitly (e.g. first final block sent).
 Polling is already scheduled for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 msg block (BSN 8, MCS-6): 07 00 02 80 c0 e3 ca 10 70 c0 ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca 0a 
-Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=39 block=9 data=07 00 02 80 c0 e3 ca 10 70 c0 ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca 0a 
+Sending data request: trx=0 ts=4 sapi=5 arfcn=0 fn=26 block=6 data=07 00 02 80 c0 e3 ca 10 70 c0 ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca 0a 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink acknowledge
 - Final ACK received.
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) changes state from FLOW to WAIT RELEASE