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respond with 481 when request requiring totag has no totag to match against

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@280518 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
David Vossel
2010-07-29 19:35:34 +00:00
parent 139e3e5d84
commit 91cfe9a93e
1 changed files with 1 additions and 0 deletions
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channels/chan_sip.c
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@@ -7334,6 +7334,7 @@ static struct sip_pvt *find_call(struct sip_request *req, struct ast_sockaddr *a
}
/* reject requests that must always have a To: tag */
if (ast_strlen_zero(totag) && (req->method == SIP_ACK || req->method == SIP_BYE || req->method == SIP_INFO )) {
transmit_response_using_temp(callid, addr, 1, intended_method, req, "481 Call leg/transaction does not exist");
ast_debug(5, "%s must have a to tag. dropping callid: %s from: %s\n", sip_methods[req->method].text , callid, from );
return NULL;
}