[VoiceOps] Allworx Followme - no audio issue

Ujjval Karihaloo ujjval at simplesignal.com
Tue Jul 19 12:49:18 EDT 2011

Call from PSTN to our Broadsoft/ACME to Customer SIP Trunk/Allworx

Allworx forwards/followme call back out (to a cell phone) the same SIP
trunk to us and we terminate to the PSTN (cell phone)

PSTN cell phone answers and Allworx plays announcement - press 1 to answer
the call.

PSTN cell phone presses 1 to answer the call following which there is no
audio in either direction.

In the packet capture between Allworx and my ACME (access SIDE) - I see
RTP flowing, I also see RTP flowing between ACME and my Upstream carrier
who terminated the call..and inbound carrier who delivered the inbound
call to me.

-----Original Message-----
From: voiceops-bounces at voiceops.org [mailto:voiceops-bounces at voiceops.org]
On Behalf Of Alex Balashov
Sent: Tuesday, July 19, 2011 10:43 AM
To: voiceops at voiceops.org
Subject: Re: [VoiceOps] Allworx Followme - no audio issue

On 07/19/2011 12:40 PM, Ujjval Karihaloo wrote:
> Hi All:
>     We have a customer with Allworx PBX that is setup for followme on
> an extension that forwards to a call Phone. When the call gets
> forwarded, back out the SIP Turnk intous, the allworx has answer
> confirmation which the followme/cellphone hears fine, when the
> followme cell phone presses 1 to accept the call, all audio is lost
> both ways.  Call stays up until disconnected. The Allworx sends a
> REINVITE after the "1" is pressed.too
> Anyone seen this behavior with ACME and Allworx and any remedies.

Well, what exactly is the SIP flow?

Alex Balashov - Principal
Evariste Systems LLC
260 Peachtree Street NW
Suite 2200
Atlanta, GA 30303
Tel: +1-678-954-0670
Fax: +1-404-961-1892
Web: http://www.evaristesys.com/
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