2011/12/28 Juha Heinanen <[email protected]>: > Iñaki Baz Castillo writes: > >> Anyhow, it could occur that the request contains a valid SIP header >> (token: value) but with an invalid grammar (i.e. a P-Asserted-Identity >> with a wrong URI value). The proxy could not check it (because in some >> configuration it just ignores such a header) but later the UAS/GW >> could inspect it and drop the request since the header is invalid (and >> it could reply a 400 or just drop the request). > > where in rfc3261 is it stated that UAS is allowed to drop a request that > it could respond to (i.e., the request has valid via header).
If the Via header is invalid, then the Proxy/UAS *cannot* reply to the request, or not in every cases. Theorically the Proxy/UAS replies to a request based on the information in Via header. -- Iñaki Baz Castillo <[email protected]> _______________________________________________ sr-dev mailing list [email protected] http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-dev
