On Tue, June 10, 2008 3:19 am, Yuantao Zhang wrote: > Dear Paul > > Thanks for keeping answering my question. And it is happy to discuss with > you. Could you give me a scenario that the port number in R-line and the > lower layer UDP destination port are different? They are always same, > aren't they? Thanks
No. Look up 'Loose Routing' in RFC3261 (section 12.2.1.1 may help you). A request may be sent to destination other than the one indicated by the Request-URI. This may or may not involve different port numbers. Regards, Michael _______________________________________________ Sip mailing list https://www.ietf.org/mailman/listinfo/sip This list is for NEW development of the core SIP Protocol Use [EMAIL PROTECTED] for questions on current sip Use [EMAIL PROTECTED] for new developments on the application of sip
