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

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@369490 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 1f90c96ffd64e75818f39a7f912934fabc0a82bd..665f707066610bdaca468f8a9b8bc0b28eb9d92f 100644 (file)
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -25564,7 +25564,7 @@ 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) {