diff --git a/src/mod/endpoints/mod_sofia/sofia.c b/src/mod/endpoints/mod_sofia/sofia.c
index 044921b112..9f4edfe50f 100644
--- a/src/mod/endpoints/mod_sofia/sofia.c
+++ b/src/mod/endpoints/mod_sofia/sofia.c
@@ -1515,7 +1515,7 @@ void sofia_handle_sip_i_refer(nua_t *nua, sofia_profile_t *profile, nua_handle_t
 
 
 	if (switch_channel_test_flag(channel_a, CF_BYPASS_MEDIA)) {
-		nua_notify(tech_pvt->nh, SIPTAG_CONTENT_TYPE_STR("message/sipfrag"),
+		nua_notify(tech_pvt->nh, NUTAG_NEWSUB(1), SIPTAG_CONTENT_TYPE_STR("message/sipfrag"),
 				   NUTAG_SUBSTATE(nua_substate_terminated), SIPTAG_PAYLOAD_STR("SIP/2.0 403 Forbidden"), SIPTAG_EVENT_STR(etmp), TAG_END());
 		goto done;
 	}
@@ -1578,7 +1578,7 @@ void sofia_handle_sip_i_refer(nua_t *nua, sofia_profile_t *profile, nua_handle_t
 							switch_channel_set_variable(channel_b, SWITCH_ENDPOINT_DISPOSITION_VARIABLE, "ATTENDED_TRANSFER");
 							switch_set_flag_locked(tech_pvt, TFLAG_BYE);
 							switch_set_flag_locked(b_tech_pvt, TFLAG_BYE);
-							nua_notify(tech_pvt->nh, SIPTAG_CONTENT_TYPE_STR("message/sipfrag"),
+							nua_notify(tech_pvt->nh, NUTAG_NEWSUB(1), SIPTAG_CONTENT_TYPE_STR("message/sipfrag"),
 									   NUTAG_SUBSTATE(nua_substate_terminated), SIPTAG_PAYLOAD_STR("SIP/2.0 200 OK"), SIPTAG_EVENT_STR(etmp), TAG_END());
 
 						} else {
@@ -1617,7 +1617,7 @@ void sofia_handle_sip_i_refer(nua_t *nua, sofia_profile_t *profile, nua_handle_t
 								switch_channel_hangup(channel_b, SWITCH_CAUSE_ATTENDED_TRANSFER);
 							}
 							switch_set_flag_locked(tech_pvt, TFLAG_BYE);
-							nua_notify(tech_pvt->nh, SIPTAG_CONTENT_TYPE_STR("message/sipfrag"),
+							nua_notify(tech_pvt->nh, NUTAG_NEWSUB(1), SIPTAG_CONTENT_TYPE_STR("message/sipfrag"),
 									   NUTAG_SUBSTATE(nua_substate_terminated), SIPTAG_PAYLOAD_STR("SIP/2.0 200 OK"), SIPTAG_EVENT_STR(etmp), TAG_END());
 
 						}
@@ -1648,7 +1648,7 @@ void sofia_handle_sip_i_refer(nua_t *nua, sofia_profile_t *profile, nua_handle_t
 							if (switch_ivr_originate(a_session,
 													 &tsession, &cause, exten, timeout, &noop_state_handler, NULL, NULL, NULL) != SWITCH_STATUS_SUCCESS) {
 								switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Cannot Create Outgoing Channel! [%s]\n", exten);
-								nua_notify(tech_pvt->nh, SIPTAG_CONTENT_TYPE_STR("message/sipfrag"),
+								nua_notify(tech_pvt->nh, NUTAG_NEWSUB(1), SIPTAG_CONTENT_TYPE_STR("message/sipfrag"),
 										   NUTAG_SUBSTATE(nua_substate_terminated),
 										   SIPTAG_PAYLOAD_STR("SIP/2.0 403 Forbidden"), SIPTAG_EVENT_STR(etmp), TAG_END());
 								goto done;
@@ -1659,7 +1659,7 @@ void sofia_handle_sip_i_refer(nua_t *nua, sofia_profile_t *profile, nua_handle_t
 							switch_ivr_uuid_bridge(br_a, tuuid_str);
 							switch_channel_set_variable(channel_a, SWITCH_ENDPOINT_DISPOSITION_VARIABLE, "ATTENDED_TRANSFER");
 							switch_set_flag_locked(tech_pvt, TFLAG_BYE);
-							nua_notify(tech_pvt->nh, SIPTAG_CONTENT_TYPE_STR("message/sipfrag"),
+							nua_notify(tech_pvt->nh, NUTAG_NEWSUB(1), SIPTAG_CONTENT_TYPE_STR("message/sipfrag"),
 									   NUTAG_SUBSTATE(nua_substate_terminated), SIPTAG_PAYLOAD_STR("SIP/2.0 200 OK"), SIPTAG_EVENT_STR(etmp), TAG_END());
 							switch_core_session_rwunlock(tsession);
 						} else {
@@ -1670,7 +1670,7 @@ void sofia_handle_sip_i_refer(nua_t *nua, sofia_profile_t *profile, nua_handle_t
 					  error:
 						switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invalid Transfer! [%s]\n", br_a);
 						switch_channel_set_variable(channel_a, SWITCH_ENDPOINT_DISPOSITION_VARIABLE, "ATTENDED_TRANSFER_ERROR");
-						nua_notify(tech_pvt->nh, SIPTAG_CONTENT_TYPE_STR("message/sipfrag"),
+						nua_notify(tech_pvt->nh, NUTAG_NEWSUB(1), SIPTAG_CONTENT_TYPE_STR("message/sipfrag"),
 								   NUTAG_SUBSTATE(nua_substate_terminated), SIPTAG_PAYLOAD_STR("SIP/2.0 403 Forbidden"), SIPTAG_EVENT_STR(etmp),
 								   TAG_END());
 					}
@@ -1702,7 +1702,7 @@ void sofia_handle_sip_i_refer(nua_t *nua, sofia_profile_t *profile, nua_handle_t
 			switch_channel_set_variable(channel, SWITCH_ENDPOINT_DISPOSITION_VARIABLE, "BLIND_TRANSFER");
 
 			/*
-			   nua_notify(tech_pvt->nh, SIPTAG_CONTENT_TYPE_STR("message/sipfrag"),
+			   nua_notify(tech_pvt->nh, NUTAG_NEWSUB(1), SIPTAG_CONTENT_TYPE_STR("message/sipfrag"),
 			   NUTAG_SUBSTATE(nua_substate_terminated),
 			   SIPTAG_PAYLOAD_STR("SIP/2.0 200 OK"),
 			   SIPTAG_EVENT_STR(etmp),
@@ -1716,7 +1716,7 @@ void sofia_handle_sip_i_refer(nua_t *nua, sofia_profile_t *profile, nua_handle_t
 			switch_set_flag_locked(tech_pvt, TFLAG_NOHUP);
 
 			/*
-			   nua_notify(tech_pvt->nh, SIPTAG_CONTENT_TYPE_STR("message/sipfrag"),
+			   nua_notify(tech_pvt->nh, NUTAG_NEWSUB(1), SIPTAG_CONTENT_TYPE_STR("message/sipfrag"),
 			   NUTAG_SUBSTATE(nua_substate_terminated),
 			   SIPTAG_PAYLOAD_STR("SIP/2.0 200 OK"),
 			   SIPTAG_EVENT_STR(etmp),