[SIPForum-discussion] SIP signalling during voice mail in IMS domain

[Chethan Prakash]

Hi syam,

Ideally 180 will not be received. Server can play announcement either at
183 or 200 ok based on local policy.
 On Sep 6, 2014 5:08 AM, "pendyala syam" <psyam545 at gmail.com> wrote:

> Hi All,
>
> Somebody please explain the sip signalling in the following scenario
> 1. A and B are two VoLTE devices
> 2. B is subscribed for Voice mail service and currently switched off.
> 3. A made call to B.
> what is the sip signalling here in this scenario??
>
> My basic doubts are
> a) will call ring??(do we get any 180 Ringing, if so why?)
> b) As far I know, server will to play something like "the customer u are
> trying to call is
>    currently switched, you can leave voice mail *****".
>    Will this be played after 200OK or before 200OK.
>
> Thanks...
>
> _______________________________________________
> This is the SIP Forum discussion mailing list
> TO UNSUBSCRIBE, or edit your delivery options, please visit
> http://sipforum.org/mailman/listinfo/discussion
> Post to the list at discussion at sipforum.org
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://sipforum.org/pipermail/discussion/attachments/20140906/5b3bed58/attachment-0002.html>