With some configurations a transport is not actually specified so assume UDP in these...

........

Merged revisions 369490 from http://svn.asterisk.org/svn/asterisk/branches/1.8

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/10@369491 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 4274f2b9e2da5359512a3435e99d61d15606d8d4..93d1fd60b41636b68b0c9dbb5b0ca089f8b7bed4 100644 (file)
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -26427,7 +26427,7 @@ int get_address_family_filter(unsigned int transport)
 {
        const struct ast_sockaddr *addr = NULL;
 
-       if (transport == SIP_TRANSPORT_UDP) {
+       if ((transport == SIP_TRANSPORT_UDP) || !transport) {
                addr = &bindaddr;
        }
        else if (transport == SIP_TRANSPORT_TCP) {