diff --git a/include/openbsc/gsm_data.h b/include/openbsc/gsm_data.h
index 99634f4..7500958 100644
--- a/include/openbsc/gsm_data.h
+++ b/include/openbsc/gsm_data.h
@@ -150,6 +150,8 @@
 
 	void (*update_request_accepted)(struct gsm_bts *, u_int32_t);
 	void (*channel_allocated)(struct gsm_lchan *bts, enum gsm_chreq_reason_t);
+	void (*channel_acked)(struct gsm_lchan *);
+	void (*channel_nacked)(struct gsm_lchan *);
 };
 
 struct gsm_network *gsm_network_init(unsigned int num_bts, u_int16_t country_code,
diff --git a/src/abis_rsl.c b/src/abis_rsl.c
index 03498e9..cf79253 100644
--- a/src/abis_rsl.c
+++ b/src/abis_rsl.c
@@ -455,6 +455,8 @@
 /* Chapter 8.4.2: Channel Activate Acknowledge */
 static int rsl_rx_chan_act_ack(struct msgb *msg)
 {
+	struct gsm_lchan *lchan;
+	struct gsm_network *network;
 	struct abis_rsl_dchan_hdr *rslh = msgb_l2(msg);
 
 	/* BTS has confirmed channel activation, we now need
@@ -464,12 +466,20 @@
 	
 	DEBUGP(DRSL, "Channel Activate ACK Channel 0x%02x\n", rslh->chan_nr);
 
+	lchan = lchan_lookup(msg->trx, rslh->chan_nr);
+	network = msg->trx->bts->network;
+	if (network->channel_acked)
+		(*network->channel_acked)(lchan);
+
+
 	return 0;
 }
 
 /* Chapter 8.4.3: Channel Activate NACK */
 static int rsl_rx_chan_act_nack(struct msgb *msg)
 {
+	struct gsm_lchan *lchan;
+	struct gsm_network *network;
 	struct abis_rsl_dchan_hdr *rslh = msgb_l2(msg);
 
 	/* BTS has confirmed channel activation, we now need
@@ -479,6 +489,11 @@
 	
 	DEBUGP(DRSL, "Channel Activate NACK Channel 0x%02x\n", rslh->chan_nr);
 
+	lchan = lchan_lookup(msg->trx, rslh->chan_nr);
+	network = msg->trx->bts->network;
+	if (network->channel_nacked)
+		(*network->channel_nacked)(lchan);
+
 	return 0;
 }
 
diff --git a/src/bsc_hack.c b/src/bsc_hack.c
index 1cf0731..a0b635d 100644
--- a/src/bsc_hack.c
+++ b/src/bsc_hack.c
@@ -52,6 +52,8 @@
 static void bsc_hack_update_request_accepted(struct gsm_bts *bts, u_int32_t assigned_tmi);
 static void bsc_hack_channel_allocated(struct gsm_lchan *chan,
 			enum gsm_chreq_reason_t reason);
+static void bsc_hack_channel_acked(struct gsm_lchan *chan);
+static void bsc_hack_channel_nacked(struct gsm_lchan *chan);
 
 
 /* The following definitions are for OM and NM packets that we cannot yet
@@ -643,6 +645,8 @@
 	bts->trx[0].arfcn = HARDCODED_ARFCN;
 	gsmnet->update_request_accepted = bsc_hack_update_request_accepted;
 	gsmnet->channel_allocated = bsc_hack_channel_allocated;
+	gsmnet->channel_acked = bsc_hack_channel_acked;
+	gsmnet->channel_nacked = bsc_hack_channel_nacked;
 
 	if (mi_setup(bts, 0, mi_cb) < 0)
 		return -EIO;
@@ -836,6 +840,55 @@
 	del_timer(&pag_timer);
 }
 
+static void bsc_hack_channel_acked(struct gsm_lchan *lchan)
+{
+	struct pending_registered_station *station;
+	if (llist_empty(&pending_stations)) {
+		DEBUGP(DPAG, "Channel nacked but nothing pending\n");
+		return;
+	}
+
+	station = (struct pending_registered_station*) pending_stations.next;
+	if (station->tmsi != (u_int32_t)lchan->user_data) {
+		DEBUGP(DPAG, "Hmmm the channel is not allocated by the"
+					 "station we wanted channel: %u us:%u\n",
+					  (u_int32_t)(lchan->user_data), station->tmsi);
+		return;
+	}
+
+	DEBUGP(DPAG, "We have probably paged a channel for tmsi: %u on %d\n",
+			station->tmsi, lchan->nr);
+		
+	llist_del(&station->entry);
+	free(station);
+}
+
+/* failed... remove from the list */
+static void bsc_hack_channel_nacked(struct gsm_lchan *lchan)
+{
+	struct pending_registered_station *station;
+	if (llist_empty(&pending_stations)) {
+		DEBUGP(DPAG, "Channel nacked but nothing pending\n");
+		return;
+	}
+
+	station = (struct pending_registered_station*) pending_stations.next;
+	if (station->tmsi != (u_int32_t)lchan->user_data) {
+		DEBUGP(DPAG, "Hmmm the channel is not allocated by the"
+					 "station we wanted channel: %u us:%u\n",
+					  (u_int32_t)(lchan->user_data), station->tmsi);
+		return;
+	}
+
+
+	/*
+	 * give up and go to the next channel
+	 */
+	llist_del(&station->entry);
+	free(station);
+	pag_timer_cb(0);
+}
+
 int main(int argc, char **argv)
 {
 	/* parse options */