diff --git a/libs/freetdm/mod_freetdm/mod_freetdm.c b/libs/freetdm/mod_freetdm/mod_freetdm.c
index f9381ce133..c3e5c486db 100755
--- a/libs/freetdm/mod_freetdm/mod_freetdm.c
+++ b/libs/freetdm/mod_freetdm/mod_freetdm.c
@@ -26,6 +26,7 @@
  * Anthony Minessale II <anthm@freeswitch.org>
  * Moises Silva <moy@sangoma.com>
  * David Yat Sin <dyatsin@sangoma.com>
+ * James Zhang <jzhang@sangoma.com>
  *
  *
  * mod_freetdm.c -- FreeTDM Endpoint Module
diff --git a/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_handle.c b/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_handle.c
index 9c3bd65426..f080352d4a 100644
--- a/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_handle.c
+++ b/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_handle.c
@@ -200,6 +200,7 @@ ftdm_status_t handle_con_ind(uint32_t suInstId, uint32_t spInstId, uint32_t circ
 				SS7_INFO_CHAN(ftdmchan,"No Called party (DNIS) information in IAM!%s\n", " ");
 			}
 
+			copy_ocn_from_sngss7(ftdmchan, &siConEvnt->origCdNum);
 			copy_redirgNum_from_sngss7(ftdmchan, &siConEvnt->redirgNum);
 			copy_redirgInfo_from_sngss7(ftdmchan, &siConEvnt->redirInfo);
 			copy_genNmb_from_sngss7(ftdmchan, &siConEvnt->genNmb);
diff --git a/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_support.c b/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_support.c
index 4557c00a10..e7af4bb6e0 100644
--- a/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_support.c
+++ b/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_support.c
@@ -640,7 +640,41 @@ ftdm_status_t copy_redirgInfo_to_sngss7(ftdm_channel_t *ftdmchan, SiRedirInfo *r
 
 ftdm_status_t copy_ocn_from_sngss7(ftdm_channel_t *ftdmchan, SiOrigCdNum *origCdNum)
 {
-	return FTDM_FAIL;
+
+	char val[20];
+	sngss7_chan_data_t *sngss7_info = ftdmchan->call_data;
+
+	if (origCdNum->eh.pres != PRSNT_NODEF ) {
+		ftdm_log_chan_msg(ftdmchan, FTDM_LOG_DEBUG, "No Original Called Number available\n");
+		return FTDM_SUCCESS;
+	}
+
+	
+	if (origCdNum->addrSig.pres == PRSNT_NODEF) {
+		copy_tknStr_from_sngss7(origCdNum->addrSig, val, origCdNum->oddEven);
+		ftdm_log_chan(ftdmchan, FTDM_LOG_DEBUG, "Original Called Number digits:%s\n", val);
+		sngss7_add_var(sngss7_info, "ss7_ocn", val);
+	}
+
+	if (origCdNum->natAddr.pres == PRSNT_NODEF) {
+		snprintf(val, sizeof(val), "%d", origCdNum->natAddr.val);
+		ftdm_log_chan(ftdmchan, FTDM_LOG_DEBUG, "Original Called Number - NADI:%s\n", val);
+		sngss7_add_var(sngss7_info, "ss7_ocn_nadi", val);
+	}
+
+	if (origCdNum->numPlan.pres == PRSNT_NODEF) {
+		snprintf(val, sizeof(val), "%d", origCdNum->numPlan.val);
+		ftdm_log_chan(ftdmchan, FTDM_LOG_DEBUG, "Original Called Number -plan:%s\n", val);
+		sngss7_add_var(sngss7_info, "ss7_ocn_plan", val);
+	}
+
+	if (origCdNum->presRest.pres == PRSNT_NODEF) {
+		snprintf(val, sizeof(val), "%d", origCdNum->presRest.val);
+		ftdm_log_chan(ftdmchan, FTDM_LOG_DEBUG, "Original Called Number - presentation:%s\n", val);
+		sngss7_add_var(sngss7_info, "ss7_ocn_pres", val);
+	}
+		
+	return FTDM_SUCCESS;
 }
 
 ftdm_status_t copy_ocn_to_sngss7(ftdm_channel_t *ftdmchan, SiOrigCdNum *origCdNum)