diff --git a/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_main.c b/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_main.c
index 34f1211234..d8c45fd482 100644
--- a/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_main.c
+++ b/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_main.c
@@ -657,6 +657,10 @@ ftdm_status_t ftdm_sangoma_ss7_process_state_change (ftdm_channel_t * ftdmchan)
 			/* inform the user there is media avai */
 			sngss7_send_signal(sngss7_info, FTDM_SIGEVENT_PROGRESS_MEDIA);
 		} else {
+			if (!sngss7_test_ckt_flag(sngss7_info, FLAG_SENT_ACM)) {
+				sngss7_set_ckt_flag(sngss7_info, FLAG_SENT_ACM);
+				ft_to_sngss7_acm(ftdmchan);
+			}
 			ft_to_sngss7_cpg(ftdmchan);
 		}