I see the following field in an INVITE to a SIP IM session from one of the
big IM clients:
m=x-ms-message 5060 sip

The best I can tell the above line violates the syntax defined in the SDP
RFC (RFC2327 - Appendix A page 30). "X-" is only allowed for a= fields and
b= fields.

As a result my SIP stack parser complains and does not parse this field.

Can anyone confirm if I am right or wrong?
________________________________________
Leo Papadopoulos
IPC Information Systems, Inc.
VP Systems & Architecture
777 Commerce Drive
Fairfield, CT 06432-5500
E-Mail: [EMAIL PROTECTED]
Web Page: http://www.ipc.com
Yahoo IM: leopapadopoulos 
IPC Information Systems, Inc. 
The specialist that financial institutions depend on for world class trading
floor solutions
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