Watkins, Bradley writes:
This may or may not be an 'offline' sort of discussion, but seeing as how we have a least a triumvirate of OpenSER users who also need to interoperate with Nortel gear I'd be interested in discussing what you have and haven't been able to accomplish in this regard.
nortel people are active on ietf sip list. perhaps you could ask those people to get nortel sip/sdp problems fixed.
-- juha