[Freeswitch-users] Changing state on 1:1 from PROGRESS_MEDIA to PROGRESS

Mathieu Rene mrene_lists at avgs.ca
Thu Aug 13 16:57:28 PDT 2009

It probably just VETO it so it avoid sending  
SWITCH_MESSAGE_INDICATE_PROGRESS again since the call is already  
making progress from the core's point of view?

Mathieu Rene
Avant-Garde Solutions Inc
Office: + 1 (514) 664-1044 x100
Cell: +1 (514) 664-1044 x200
mrene at avgs.ca

On 13-Aug-09, at 11:02 AM, Moises Silva wrote:

> On Wed, Aug 12, 2009 at 7:19 PM, Brian West <brian at freeswitch.org>  
> wrote:
> Well you really can't ignore it... it happens with our ISDN stack
> too.   Thats what the VETO handles.
> /b
> You lost me. What do you mean we can't ignore it? the way I see it,  
> sure we can and we should.
> Currently that warning comes from the on_ringing() callback which  
> blindly attempts to move the state of the zap channel to  
> ZAP_CHANNEL_STATE_PROGRESS, even when the state may be already  
> ZAP_CHANNEL_STATE_PROGRESS_MEDIA (which means on_proceed() was  
> called first).
> As I see it, the VETO warning is more an aid to the programmer so  
> you quickly realize your doing a useless state change, which should  
> be fixed. In this case, the fix is simply checking the state of the  
> channel before trying to move it to progress, and don't even try to  
> move it if already in progress with media.
>  --
> Moises Silva
> Software Developer
> Sangoma Technologies Inc. | 50 McIntosh Drive, Suite 120, Markham ON  
> L3R 9T3 Canada
> t. 1 905 474 1990 x 128 | e. moy at sangoma.com
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