[SIPForum-discussion] Question regarding Request URI.

[Tamoghna Bhaduri]

Hi All,

I have a doubt regarding the "Request URI" of ACK.

The dialog established like below.

Invite send,
183 Received,
4xx  received
We sent ACK.

As per my knowledge,ACK Request URI should contain the "contact uri" of 183.

Please answer me if ACK Request URI  can be anything else also.

Best Regards

Tamoghna Bhaduri

Contact Number:- 8861907409
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