[Freeswitch-users] Need help detecting when phone call is answered in lua script (it is starting before the call is picked up)

[Wes]

Thank you! that worked just fine.

On 6/22/2011 11:51 AM, Michael Collins wrote:
> Wes,
>
> The "originate" API is very similar to the "bridge" dp command - when 
> the far end sends *any* media then the originate (or bridge) is 
> considered "successful" and processing continues. You have a few 
> choices, but I would start by trying this on your originate:
>
> originate {ignore_early_media=true}sofia/gateway/mcw/914145551212 
> &lua(hello.lua)
>
> This will tell the originate not to be "successful" until the far end 
> actually answers, as opposed to when the far end simply sends media. 
> The drawback here, of course, is that if call progress is sent in 
> band, e.g. a busy signal, you are explicitly ignoring that 
> information. An alternative is found in the "execute_on_xxx" family of 
> channel variables. Check it out:
> http://wiki.freeswitch.org/wiki/Channel_Variables#The_execute_on_family
>
> It requires a little more thought, but you end up with more fine-tuned 
> control over everything. Look in particular at the originate & 
> dialplan example under "execute_on_answer" which I believe contains 
> the most complete solution to your problem.
>
> -MC
>
> On Wed, Jun 22, 2011 at 7:47 AM, Wes <wes-fs at 499x.com 
> <mailto:wes-fs at 499x.com>> wrote:
>
>     Hello,
>
>     I'm having trouble detecting when a phone call (originated from
>     freeswitch) is answered by the called party using a lua script.  I
>     have
>     freeswitch connected to a corporate phone system at my office via SIP.
>     When I call my deskphone at work (914145551212), the script waits
>     until
>     I answer to start playing the welcome message, and other actions.  But
>     when I call my cellphone (912625551212), the script starts before
>     I pick
>     up the cellphone, as can be seen in the logs I've pasted below.
>
>     Even though the lua script isn't properly detecting when the cell
>     phone
>     has been answered, freeswitch *does* seem to know, as shown by the
>     line:
>     2011-06-22 09:21:28.334618 [NOTICE] sofia.c:5594 Channel
>     [sofia/external/912625551212] has been answered
>     which gets logged when I answer the cell, even though the script is
>     already running.
>
>     This fact gives me hope that there will be a way to fix this script.
>
>     Any suggestions are appreciated!
>     thanks.
>
>     using:
>     FreeSWITCH Version 1.0.head (git-8decee3 2011-06-20 13-21-20 -0500)
>
>     Script
>     http://pastebin.freeswitch.org/16564
>
>     logs:
>     http://pastebin.freeswitch.org/16563
>
>
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