[SIPForum-discussion] 180 Ringing

[Tendayi Mbuvah]

Hi,

183 session in progress is sent by callee before 180  ringing and can
include sdp if early media is supported.

Regards,
Tendayi Mbuvah

On Mon, Feb 2, 2015 at 10:32 AM, Gerhard VanderWath <
Gerhard.VanderWath at voxtelecom.co.za> wrote:

>   Hi all.
>
> Just a quick one, should 183 session Progress be sent by callee before the
> 180 Ringing without SDP or after.
>
> Regards
>
>
>
>
>
>
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