[SIPForum-discussion] query regarding "early/delayed offer/ans call flow"

[tester voip]

INVITE-200 ---- early offer
200 - ACK ---- late

Call flow is the sip basic call, only the SDP contents differ.

If ANS isnt received in ACK,the UAS will retransmit 200 till it gets SDP in
ACK.

Pls correct me if am wrong.

Thanks

On Wed, Jul 27, 2011 at 1:36 PM, nitisha gupta <nitisha.gupta06 at gmail.com>wrote:

> Hi
>
> 1. Can anyone explain about early and delay offer/ans call flow"
>
> 2. In delay offer ,what happens if you will not get answer in ACK.?
>
> Thanks
> Nitisha
>
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