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-rw-r--r--channels/chan_sip.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 56d1b812c..d081c99a9 100644
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -26949,7 +26949,7 @@ 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) {