diff --git a/daemon/call.c b/daemon/call.c
index fe5879126..00b81cb5c 100644
--- a/daemon/call.c
+++ b/daemon/call.c
@@ -1750,7 +1750,7 @@ struct stream_fd *__stream_fd_new(struct udp_fd *fd, struct call *call) {
 }
 
 static struct endpoint_map *__get_endpoint_map(struct call_media *media, unsigned int num_ports,
-		const struct endpoint *ep)
+		const struct endpoint *ep, unsigned int wanted_start_port)
 {
 	GSList *l;
 	struct endpoint_map *em;
@@ -1802,7 +1802,7 @@ static struct endpoint_map *__get_endpoint_map(struct call_media *media, unsigne
 alloc:
 	if (num_ports > G_N_ELEMENTS(fd_arr))
 		return NULL;
-	if (__get_consecutive_ports(fd_arr, num_ports, 0, media->call))
+	if (__get_consecutive_ports(fd_arr, num_ports, wanted_start_port, media->call))
 		return NULL;
 
 	__C_DBG("allocating stream_fds for %u ports", num_ports);
@@ -1841,10 +1841,10 @@ static void __assign_stream_fds(struct call_media *media, GList *sfds) {
 		ice_restart(media->ice_agent);
 }
 
-static int __wildcard_endpoint_map(struct call_media *media, unsigned int num_ports) {
+static int __wildcard_endpoint_map(struct call_media *media, unsigned int num_ports, unsigned int wanted_start_port) {
 	struct endpoint_map *em;
 
-	em = __get_endpoint_map(media, num_ports, NULL);
+	em = __get_endpoint_map(media, num_ports, NULL, wanted_start_port);
 	if (!em)
 		return -1;
 
@@ -2595,7 +2595,9 @@ int monologue_offer_answer(struct call_monologue *other_ml, GQueue *streams,
 
 		/* get that many ports for each side, and one packet stream for each port, then
 		 * assign the ports to the streams */
-		em = __get_endpoint_map(media, num_ports, &sp->rtp_endpoint);
+		em = __get_endpoint_map(media, num_ports, &sp->rtp_endpoint,
+			(unsigned int)GPOINTER_TO_UINT(g_queue_pop_head(&call->rtp_bridge_ports)));
+
 		if (!em)
 			goto error;
 
@@ -2606,7 +2608,8 @@ int monologue_offer_answer(struct call_monologue *other_ml, GQueue *streams,
 			/* new streams created on OTHER side. normally only happens in
 			 * initial offer. create a wildcard endpoint_map to be filled in
 			 * when the answer comes. */
-			if (__wildcard_endpoint_map(other_media, num_ports))
+			if (__wildcard_endpoint_map(other_media, num_ports,
+					(unsigned int)GPOINTER_TO_UINT(g_queue_pop_head(&call->rtp_bridge_ports))))
 				goto error;
 		}
 
@@ -3152,6 +3155,8 @@ static void __call_free(void *p) {
 		g_slice_free1(sizeof(*ps), ps);
 	}
 
+	g_queue_clear(&c->rtp_bridge_ports);
+
 	assert(c->stream_fds == NULL);
 }
 
@@ -3170,6 +3175,7 @@ static struct call *call_create(const str *callid, struct callmaster *m) {
 	c->created = poller_now;
 	c->dtls_cert = dtls_cert();
 	c->tos = m->conf.default_tos;
+	g_queue_init(&c->rtp_bridge_ports);
 	return c;
 }
 
diff --git a/daemon/call.h b/daemon/call.h
index 184f56f42..64123eebc 100644
--- a/daemon/call.h
+++ b/daemon/call.h
@@ -386,17 +386,18 @@ struct call {
 
 	mutex_t			buffer_lock;
 	call_buffer_t		buffer;
+	GQueue			rtp_bridge_ports;
 
 	/* everything below protected by master_lock */
 	rwlock_t		master_lock;
 	GSList			*monologues;
-	GHashTable		*tags;	
+	GHashTable		*tags;
 	GHashTable		*viabranches;
 	GSList			*streams;
 	GSList			*stream_fds;
 	struct dtls_cert	*dtls_cert; /* for outgoing */
 
-	str			callid;	
+	str			callid;
 	time_t			created;
 	time_t			last_signal;
 	time_t			deleted;