[Freeswitch-users] call quality problems in conference

Brian West brian at freeswitch.org
Thu Jun 18 09:29:34 PDT 2009


Please post bugs to http://jira.freeswitch.org

/b

On Jun 18, 2009, at 11:20 AM, Victor Toofic wrote:

> Hi all!
>
> I'm having some troubles with call quality using conferences. The
> scenario is like this:
>
> An agent makes a call to freeswitch and enters in a conference room
> waiting for outbound calls; on the other side there is an application
> generating outbound calls and when one is answered it is assigned to  
> the
> first agent available, so the outbound call enters in some of the
> agents's conference room (it is some kind of semi-predictive dialer).
>
> I'm using conferences because we need special features like monitoring
> or whispering to the agents.
>
> There are times when some of the outbound calls that enter in a
> conference room have really bad quality: broken/choppy voice, echo,  
> etc,
> Something like this:
>
> http://www.voiptroubleshooter.com/sound_files/40pct_rand_plc.wav
>
> This occurs in 20%-40% of the outbound calls. I know it might be  
> because
> of the jitter or packet loss with our voip provider.
>
> But.. this hardly occurs when the agents dial manually (using the  
> bridge
> app); when dialing manually the problem (when it ocurrs) is always
> unperceptible. Thats why I think the conference room is aggravating  
> the
> problem.
>
> Im using the 'jitterbuffer_msec=180' in the originate command and the
> same in the dialplan (when the agents log-in).
>
> What do you think is happening here?
> Am I missing something? Any guidance will be really appreciated!
>
> Thnks!!
>
> --
> Regards..
> Victor Toofic
>
>
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