[SIPForum-discussion] UAC sends ACK to the different network address than INVITE

[Paul Kyzivat]

On 6/10/15 4:27 AM, Dauren Zhumagaliev wrote:
> Hello,
>
> Is there any description in RFC for case when UAC sends ACK for 2xx
> final response to the network address different than INVITE? What can
> cause such a behavior? Could it be considered as transaction error?

The ACK of a 200 is sent to the Contact-URI from the 200.

	Thanks,
	Paul

> Thank you in advance.
> Regards,
>
> Dauren
>
>
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