Hello implementators
Recently we ran into following dialog matching issue with new SS7 GW device:
our customers proxy modified from URI in initial INVITE, but did not do
the same anymore for in-dialog BYE. This caused our new GW to not match the
dialog and sessions we're only terminated once GW
2010/8/20 Mikko Lehto msle...@gmail.com:
Hello implementators
Recently we ran into following dialog matching issue with new SS7 GW device:
our customers proxy modified from URI in initial INVITE, but did not do
the same anymore for in-dialog BYE. This caused our new GW to not match the
RFC 3261 does not allow the To/From uri matching values to change within a
dialog. RFC 4916 provides the ability to alter To/From uri matching values;
however it requires the support/use of option-tag “from-change”. Except per
RFC 4916, I’m not aware of an RFC which has officially deprecated
Brett,
Yes, 3261 has all those MUSTs in it. But it was there for 2543
compatibility. AFAIK there is nothing that calls for checking that the
URIs remain unchanged as a requirement for recognizing that the request
is an in-dialog request.
So I think it might be within the letter of the law to
