I think that the 20 and 30 refer to 20ms or 30ms packetizing.  The 32000 and 64000 are the sampling rates.  You probably need to install all of the sounds with:

make cd-sounds-install cd-moh-install  

This will install the music and prompts in all the different sampling rates.


Guillermo



On Sat, Sep 6, 2014 at 7:22 PM, Komar, Jason <jkomar@jbox.ca> wrote:
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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Guillermo Ruiz Camauer