diff --git a/library/RSL_Types.ttcn b/library/RSL_Types.ttcn
index 39ba3d3..0d772b3 100644
--- a/library/RSL_Types.ttcn
+++ b/library/RSL_Types.ttcn
@@ -565,6 +565,35 @@
 		cause_ext := omit
 	}
 
+	/* 9.3.29 */
+	type record RSL_SacchInfo {
+		uint8_t len,
+		uint8_t num_msgs,
+		RSL_SacchInfoElements elems
+	} with {
+		variant (len) "LENGTHTO(num_msgs,elems)";
+		variant (num_msgs) "LENGTHTO(elems)";
+		variant (num_msgs) "UNIT(elements)"
+	};
+	type record RSL_SacchInfoElement {
+		RSL_IE_SysinfoType si_type,
+		uint8_t len,
+		octetstring msg
+	} with {
+		variant (len) "LENGTHTO(msg)";
+	};
+	type record of RSL_SacchInfoElement RSL_SacchInfoElements;
+	template (value) RSL_SacchInfo ts_RSL_SacchInfo(template (value) RSL_SacchInfoElements elems) := {
+		len := 0, /* overwritten */
+		num_msgs := 0, /* overwritten */
+		elems := elems
+	}
+	template (value) RSL_SacchInfoElement ts_RSL_SacchInfoElem(RSL_IE_SysinfoType tp, octetstring msg) := {
+		si_type := tp,
+		len := lengthof(msg),
+		msg := msg
+	}
+
 	/* 9.3.40 */
 	type enumerated RSL_ChanNeeded {
 		RSL_CHANNEED_ANY	('00'B),
@@ -703,6 +732,7 @@
 		RSL_IE_ChanNeeded	chan_needed,
 		RSL_IE_CbCommandType	cb_cmd_type,
 		RSL_LV			smscb_message,
+		RSL_SacchInfo		sacch_info,
 
 		RSL_IE_StartingTime	starting_time,
 		RSL_IE_EncryptionInfo	encr_info,
@@ -755,6 +785,7 @@
 					chan_needed, iei = RSL_IE_CHAN_NEEDED;
 					cb_cmd_type, iei = RSL_IE_CB_CMD_TYPE;
 					smscb_message, iei = RSL_IE_SMSCB_MSG;
+					sacch_info, iei = RSL_IE_SACCH_INFO;
 					starting_time, iei = RSL_IE_STARTNG_TIME;
 					encr_info, iei = RSL_IE_ENCR_INFO;