[Freeswitch-users] Generate 180/183 with SDP upon receipt of a 180 without SDP

[Mick Stevens]

Michael et al,

"I wonder how you can avoid that? Consider this scenario:"


1) You receive 180 w/o SDP from far end - Yes, agreed.
2) You send 183 w/SDP ringing to your client - Yes, that's what I want, how do I convert 1) into 2)!? :-)
3) The far end now sends a 183 w/SDP that contains a busy signal? - If I received a 183 w/SDP I would transit it as is, i.e. take no action. But that's not the problem, if I recvd a 183 w/SDP I would be a very happy man! :-)



Rgds, Mick



________________________________
 From: Michael Collins <msc at freeswitch.org>
To: FreeSWITCH Users Help <freeswitch-users at lists.freeswitch.org> 
Sent: Wednesday, 10 October 2012, 21:23
Subject: Re: [Freeswitch-users] Generate 180/183 with SDP upon receipt of a 180 without SDP
 

I wonder how you can avoid that? Consider this scenario:
You receive 180 w/o SDP from far end
You send 183 w/SDP ringing to your client
The far end now sends a 183 w/SDP that contains a busy signal?

What do you do there?

-MC


On Wed, Oct 10, 2012 at 9:39 AM, Mick Stevens <mickstevens at yahoo.com> wrote:

Hi Andrew,
>
>
>Many thanks for the prompt response.
>
>
>Unfortunately it's this bit I don't want:
>
>
>"Note that this may cause undesirable effects, like ringing for 3 seconds that turns into a busy signal."
>
I wonder how you can avoid that? Consider this scenario:
You receive 180 w/o SDP from far end
You send 183 w/SDP ringing to your client
The far end now sends a 183 w/SDP that contains a busy signal?

What do you do there?

-MC

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