diff --git a/library/PCUIF_CodecPort.ttcn b/library/PCUIF_CodecPort.ttcn
index 4b2a8ce..f3e4810 100644
--- a/library/PCUIF_CodecPort.ttcn
+++ b/library/PCUIF_CodecPort.ttcn
@@ -139,7 +139,7 @@
 }
 
 function f_PCUIF_tx_imm_ass_pch(PCUIF_CODEC_PT pt, integer conn_id, octetstring imm_ass, hexstring imsi,
-				uint8_t bts_nr := 0) return uint32_t {
+				uint8_t bts_nr := 0, boolean wait_for_cnf := true) return uint32_t {
 	var PCUIF_send_data sd;
 	timer T := 3.0;
 	/* append 3 last imsi digits so BTS can compute pagng group */
@@ -151,6 +151,12 @@
 	}
 	pt.send(t_SD_PCUIF(conn_id,
 			ts_PCUIF_DATA_REQ(bts_nr, 0, 0, 0, 0, PCU_IF_SAPI_PCH, prefix & imm_ass)));
+
+	/* Exit early when the caller is not interested in the confirmation message */
+	if (wait_for_cnf == false) {
+		return 0;
+	}
+
 	T.start;
 	alt {
 	[] pt.receive(t_SD_PCUIF(conn_id,