I had that issue as well.
There was a bug in gcc described here: https://quentusrex.com/freeswitch-raspberrypi-gcc-compiler-bug.html 
try updating to gcc 4.7.


On Sun, Sep 7, 2014 at 5:15 AM, Moishe Grunstein <max@nysolutions.com> wrote:

Change the RTP Packet Size to 0.020, this is a very common issue on Cisco devices.

 

 

Thanks,

 

Moishe Grunstein

Tornado Computer Systems, Inc.

212.400.7650 888.IPPBX.US
Service Request Email: support@nysolutions.com

Polycom Certified VAR
Microsoft Small Business Specialist, Cisco SMB Select Certified

cid:image001.jpg@01C72F94.9EE45D60

Computer Networking * Managed Services * IP Video Surveillance * Network Assessments * Web Solutions * Voice over IP * Disaster Recovery * Network Security * Site Surveys * CMS

 

From: freeswitch-users-bounces@lists.freeswitch.org [mailto:freeswitch-users-bounces@lists.freeswitch.org] On Behalf Of Komar, Jason
Sent: Saturday, September 06, 2014 6:22 PM
To: FreeSWITCH Users Help
Subject: [Freeswitch-users] PCMU codec issue (mismatch?) resulting in Incompatible Destination

 

Hi Everyone,

 

I had a Raspberry Pi installation of the latest FreeSWITCH 1.2 branch running on Gentoo. It was working great, but my SD card packed it in.

 

I thought I would try something different, so I loaded up Raspbian and installed FreeSWITCH via Fusionpbx script.

 

I registered my Panasonic KX-TPA50 phone, but when doing a test call to MoH or echo, I get an incompatible destination error. Looks like a codec mismatch. Not sure what to look for though. I presume it's just a setting somewhere.

 

Both FreeSWITCH and the phone have PCMU, but something is different in the comparison as can be seen here:

 

[DEBUG] switch_core_media.c:3475 Audio Codec Compare [PCMU:0:8000:30:32000:1]/[PCMU:0:8000:20:64000:1]

 

I understand the 8000, but I don't know what the other mismatched numbers are or where to look to change a setting to get them to match.

 

The same mismatched numbers show when it compares G722 and PCMA.

 

Hope someone can point me in the right direction.

 

Thanks,

Jason


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