Subject: [SIP] Session progress

From: Baniel Uri-CUB001 <[email-masked]>
Date: Mon, 27 Nov 2000 13:41:37 -0600

Hi

1) Bis 4.2.1 says:

"A UAC MUST be prepared to receive media data according to the session description as soon as it sends an INVITE (or re-INVITE) "

2) According the 183 draft that there must be first a two way path established (or at least the UAC should get first the UAS RTP information) before the UAC is able to get Alerting/call treatment RTP packets.

I guess (2) overrides (1) (and is even included in 1 now)

My question is: Why is the need to have the two way path established for being able to convey the RTP information from the UAS to the UAC?

Thanks
Uri

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