don't choose 0 port for proxy mode

diff --git a/src/mod/endpoints/mod_sofia/sofia_glue.c b/src/mod/endpoints/mod_sofia/sofia_glue.c
index 0d764391bdedda2bee0967816fdb3a30b92e1827..6e3dde6407658c069f43cab89fc37b795d4e48a4 100644 (file)
--- a/src/mod/endpoints/mod_sofia/sofia_glue.c
+++ b/src/mod/endpoints/mod_sofia/sofia_glue.c
@@ -1541,7 +1541,11 @@ switch_status_t sofia_glue_tech_proxy_remote_addr(private_object_t *tech_pvt, co
        }
 
        if ((p = (char *) switch_stristr("m=image ", sdp_str))) {
-               port_ptr = p + 8;
+               char *tmp = p + 8;
+
+               if (tmp && atoi(tmp)) {
+                       port_ptr = tmp;
+               }
        }
 
        if ((p = (char *) switch_stristr("m=video ", sdp_str))) {