Merge pull request #377 in FS/freeswitch from ~LAZEDO/freeswitch:bugfix/fs-7917 to master

* commit '4c8bf297':
  FS-7917 add check for ipv6 in sofia_glue_create_via

src/mod/endpoints/mod_sofia/sofia_glue.c

@@ -455,17 +455,18 @@ char *sofia_glue_create_external_via(switch_core_session_t *session, sofia_profi
 
 char *sofia_glue_create_via(switch_core_session_t *session, const char *ip, switch_port_t port, sofia_transport_t transport)
 {
+	char *ipv6 = strchr(ip, ':');
 	if (port && port != 5060) {
 		if (session) {
-			return switch_core_session_sprintf(session, "SIP/2.0/%s %s:%d;rport", sofia_glue_transport2str(transport), ip, port);
+			return switch_core_session_sprintf(session, "SIP/2.0/%s %s%s%s:%d;rport", sofia_glue_transport2str(transport), ipv6 ? "[" : "", ip, ipv6 ? "]" : "", port);
 		} else {
-			return switch_mprintf("SIP/2.0/%s %s:%d;rport", sofia_glue_transport2str(transport), ip, port);
+			return switch_mprintf("SIP/2.0/%s %s%s%s:%d;rport", sofia_glue_transport2str(transport), ipv6 ? "[" : "", ip, ipv6 ? "]" : "", port);
 		}
 	} else {
 		if (session) {
-			return switch_core_session_sprintf(session, "SIP/2.0/%s %s;rport", sofia_glue_transport2str(transport), ip);
+			return switch_core_session_sprintf(session, "SIP/2.0/%s %s%s%s;rport", sofia_glue_transport2str(transport), ipv6 ? "[" : "", ip, ipv6 ? "]" : "");
 		} else {
-			return switch_mprintf("SIP/2.0/%s %s;rport", sofia_glue_transport2str(transport), ip);
+			return switch_mprintf("SIP/2.0/%s %s%s%s;rport", sofia_glue_transport2str(transport), ipv6 ? "[" : "", ip, ipv6 ? "]" : "");
 		}
 	}
 }