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Yet Another Cisco Workaround. As a last resort try to match only user in ACK. 

git-svn-id: http://voip.null.ro/svn/yate@744 acf43c95-373e-0410-b603-e72c3f656dc1
This commit is contained in:
paulc 2006-04-11 17:06:44 +00:00
parent 8cc75f5341
commit 338014b850
1 changed files with 26 additions and 7 deletions
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33
contrib/ysip/transaction.cpp
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@ -437,15 +437,34 @@ SIPTransaction::Processed SIPTransaction::processMessage(SIPMessage* message, co
return NoMatch;
// extra checks are to be made for ACK only
if (message->isACK()) {
// Hack to match URIs with lost tags. Cisco sucks. Period.
String tmp = getURI();
int sc = tmp.find(';');
if (sc > 0)
tmp.assign(tmp,sc);
if ((getURI() != message->uri) && (tmp != message->uri))
return NoMatch;
if (getDialogTag() != message->getParamValue("To","tag"))
return NoMatch;
// use a while so we can either break or return
while (getURI() != message->uri) {
#ifndef SIP_STRICT
// hack to match URIs with lost tags. Cisco sucks. Period.
String tmp = getURI();
int sc = tmp.find(';');
if (sc > 0) {
tmp.assign(tmp,sc);
if (tmp == message->uri) {
Debug(getEngine(),DebugMild,"Received no-branch ACK with lost URI tags! (sender bug)");
break;
}
}
// now try to match only the user part - Cisco strikes again...
sc = tmp.find('@');
if (sc > 0) {
tmp.assign(tmp,sc);
sc = message->uri.find('@');
if ((sc > 0) && (tmp == message->uri.substr(0,sc))) {
Debug(getEngine(),DebugMild,"Received no-branch ACK with only user matching! (sender bug)");
break;
}
}
#endif
return NoMatch;
}
}
}
if (!message->getParty())