[Freeswitch-users] Strange noise when using conference_set_auto_outcall

[Michael Jerris]

I have used outcall like this.  I can't think of anything that would create a noise.  What does it sound like?

> On Jan 11, 2015, at 12:00 PM, Oleg Stolyar <olegstolyar at gmail.com> wrote:
> 
> Hi guys,
> 
> When I use conference_set_auto_outcall to dial a PSTN number via a SIP trunk (Level3 is the provider), the existing conference participants start hearing noise after a couple of seconds.  It happens whether at that time the line is still ringing or the PSTN party picked up..  The noise persists through the session when the PSTN party is silent.
> 
> The noise does not happen when I use the simple bridge to dial the PSTN number instead of a conference, so I don't think it's the PSTN provider's fault.
> 
> On the other hand, when I use the same settings to outcall another FS server, the noise is not there.
> 
> Is there some conference setting I am missing?
> 
> Has anyone been able to successfully use set_auto_outcall to call PSTN numbers?
> 
> I am on 
> FreeSWITCH Version 1.5.14b+git~20140730T171747Z~5075d4af0d~64bit (git 5075d4a 2014-07-30 17:17:47Z 64bit)
> 
> I am trying to reproduce this on the latest master but  having trouble building on my old CentOS 5.9.  I'll keep trying.