diff --git a/src/include/switch_rtp.h b/src/include/switch_rtp.h
index 67e0f324d3..92b5386fd8 100644
--- a/src/include/switch_rtp.h
+++ b/src/include/switch_rtp.h
@@ -75,7 +75,7 @@ SWITCH_DECLARE(switch_port_t) switch_rtp_set_end_port(switch_port_t port);
   \return the new port to use
 */
 SWITCH_DECLARE(switch_port_t) switch_rtp_request_port(const char *ip);
-
+SWITCH_DECLARE(void) switch_rtp_release_port(const char *ip, switch_port_t port);
 /*! 
   \brief create a new RTP session handle
   \param new_rtp_session a poiter to aim at the new session
diff --git a/src/mod/endpoints/mod_dingaling/mod_dingaling.c b/src/mod/endpoints/mod_dingaling/mod_dingaling.c
index 3bd376793f..97b79561f4 100644
--- a/src/mod/endpoints/mod_dingaling/mod_dingaling.c
+++ b/src/mod/endpoints/mod_dingaling/mod_dingaling.c
@@ -687,6 +687,11 @@ static void terminate_session(switch_core_session_t **session, int line, switch_
 
 		tech_pvt = switch_core_session_get_private(*session);
 
+		
+		if (tech_pvt->profile->ip && tech_pvt->local_port) {
+			switch_rtp_release_port(tech_pvt->profile->ip, tech_pvt->local_port);
+		}
+
 		if (!switch_core_session_running(*session) && (!tech_pvt || !switch_test_flag(tech_pvt, TFLAG_READY))) {
 			switch_core_session_destroy(session);
 			return;
@@ -1209,6 +1214,10 @@ static switch_status_t channel_on_hangup(switch_core_session_t *session)
 	tech_pvt = switch_core_session_get_private(session);
 	switch_assert(tech_pvt != NULL);
 
+	if (tech_pvt->profile->ip && tech_pvt->local_port) {
+		switch_rtp_release_port(tech_pvt->profile->ip, tech_pvt->local_port);
+	}
+
 	switch_clear_flag_locked(tech_pvt, TFLAG_IO);
 	switch_clear_flag_locked(tech_pvt, TFLAG_VOICE);
 	switch_set_flag_locked(tech_pvt, TFLAG_BYE);
diff --git a/src/mod/endpoints/mod_sofia/mod_sofia.c b/src/mod/endpoints/mod_sofia/mod_sofia.c
index 3f281bcaf0..b209ea226a 100644
--- a/src/mod/endpoints/mod_sofia/mod_sofia.c
+++ b/src/mod/endpoints/mod_sofia/mod_sofia.c
@@ -201,7 +201,10 @@ switch_status_t sofia_on_hangup(switch_core_session_t *session)
 
 	tech_pvt = (private_object_t *) switch_core_session_get_private(session);
 	switch_assert(tech_pvt != NULL);
-
+	
+	if (tech_pvt->profile->rtpip && tech_pvt->local_sdp_audio_port) {
+		switch_rtp_release_port(tech_pvt->profile->rtpip, tech_pvt->local_sdp_audio_port);
+	}
 
 	if (switch_test_flag(tech_pvt, TFLAG_SIP_HOLD)) {
 		const char *buuid;
diff --git a/src/switch_rtp.c b/src/switch_rtp.c
index 170f88142e..5fd76cc45d 100644
--- a/src/switch_rtp.c
+++ b/src/switch_rtp.c
@@ -316,16 +316,16 @@ SWITCH_DECLARE(switch_port_t) switch_rtp_set_end_port(switch_port_t port)
         return END_PORT;
 }
 
-static void release_port(const char *host, switch_port_t port)
+SWITCH_DECLARE(void) switch_rtp_release_port(const char *ip, switch_port_t port)
 {
 	switch_core_port_allocator_t *alloc = NULL;
 
-	if (!host) {
+	if (!ip) {
 		return;
 	}
 
     switch_mutex_lock(port_lock);
-    if ((alloc = switch_core_hash_find(alloc_hash, host))) {
+    if ((alloc = switch_core_hash_find(alloc_hash, ip))) {
 		switch_core_port_allocator_free_port(alloc, port);
 	}
 	switch_mutex_unlock(port_lock);
@@ -634,7 +634,7 @@ SWITCH_DECLARE(switch_rtp_t *) switch_rtp_new(const char *rx_host,
 		rtp_session->rx_host = switch_core_strdup(rtp_session->pool, rx_host);
 		rtp_session->rx_port = rx_port;
 	} else {
-		release_port(rx_host, rx_port);
+		switch_rtp_release_port(rx_host, rx_port);
 	}
 
 	return rtp_session;
@@ -731,7 +731,7 @@ SWITCH_DECLARE(void) switch_rtp_destroy(switch_rtp_t **rtp_session)
 		switch_core_timer_destroy(&(*rtp_session)->timer);
 	}
 
-	release_port((*rtp_session)->rx_host, (*rtp_session)->rx_port);
+	switch_rtp_release_port((*rtp_session)->rx_host, (*rtp_session)->rx_port);
 
 	switch_mutex_unlock((*rtp_session)->flag_mutex);
 	return;