[asterisk-users] Lost audio on forwarded calls

[Steve Totaro]

Asterisk does not need to care.  Is it SIP all the way through?

Thanks,
Steve T

On Fri, Oct 3, 2014 at 3:12 PM, Todd R. <tjrlist at live.com> wrote:

> OK, been messing with Asterisk for a long time and I have my opinion on
> where the issues lies but sometimes it's just nice to see what others think
> that can relate :-)
>
> Here goes..
>
> Inbound calls flow like this:
> Tier 1 Provider (SIP) > Asterisk 1.8 > Name Brand PBX - Calls work fine
>
> Outbound calls flow like this:
> Name Brand PBX > Asterisk 1.8 > Tier 1 provider (SIP) - Calls work fine
>
>
> Problem is being reported on that many (not all) calls have no audio when
> they are forwarded.
>
> Example of forwarded call:
> Inbound call comes in from Tier 1 Provider > Asterisk 1.8 > Name Brand PBX
>
> Name Brand PBX then forwards the call back out to users cell phone:
> Name Brand PBX > Asterisk 1.8 > Tier 1 provider
>
> No audio a large percentage of the time.
>
>
> It's my opinion that the Asterisk box only sees the forwarded call as a
> regular outbound call and forwards it on to the Tier 1 provider then to the
> users cell phone.
>
> I don't see how Asterisk even knows or cares if it was forwarded within
> the Name Brand PBX. The Name Brand PBX is the one making the connection of
> the inbound and outbound call. All other inbound and outbound calls are
> fine, audio is only lost when the Name Brand PBX connects the two calls and
> creates the forward.
>
> Thoughts?
>
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