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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 77ebf5a3b..de46b9b44 100644
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -4567,7 +4567,7 @@ static struct sip_pvt *find_call(struct sip_request *req, struct sockaddr_in *si
found = (!strcmp(p->callid, callid));
else
found = (!strcmp(p->callid, callid) &&
- (!pedanticsipchecking || !tag || ast_strlen_zero(p->theirtag) || !strcmp(p->theirtag, tag))) ;
+ (!pedanticsipchecking || ast_strlen_zero(tag) || ast_strlen_zero(p->theirtag) || !strcmp(p->theirtag, tag))) ;
if (option_debug > 4)
ast_log(LOG_DEBUG, "= %s Their Call ID: %s Their Tag %s Our tag: %s\n", found ? "Found" : "No match", p->callid, p->theirtag, p->tag);