Re: [asterisk-users] Corrupt MixMonitor recordings - .gsm format

2014-12-19 Thread Rusty Newton
On Fri, Dec 12, 2014 at 12:31 AM, Stefan Viljoen
 wrote:

> The server has been up for 7 months beforehand with no problems with
> recordings to .gsm format files.
What changed? It is unlikely that Asterisk suddenly changed without
outside intervention, unless there was some slow leak and a resource
limitation was reached. Your troubleshooting below would have at least
temporarily resolved that issue.


> Only one site has started producing corrupt .gsm files since last week. I've
> already replaced that server with a brand new one, reinstalled the operating
> system and Asterisk, problem still persists.

If it is only the one site, and replacing Asterisk AND the entire
machine with OS did not fix the issue, then I'd think something
changed at the site outside your Asterisk server. I would look into
what is different between VOIP traffic you are receiving on that site
and other sites. Though, I really wouldn't know what to look for in
this case.

The only recent MixMonitor audio corruption issue I found reported was
https://issues.asterisk.org/jira/browse/ASTERISK-24507 and it doesn't
match what you are describing here, unless maybe you only do blind
transfers on this site, and no other sites and you only started having
the blind transfers 7 months into usage.

-- 
Rusty Newton
Digium, Inc. | Community Support Manager
445 Jan Davis Drive NW - Huntsville, AL 35806 - US
direct: +1 256 428 6200

Check us out at: http://digium.com & http://asterisk.org

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[asterisk-users] Corrupt MixMonitor recordings - .gsm format

2014-12-11 Thread Stefan Viljoen
Hi all

 

Asterisk 1.8.11.0 on Centos 6.5

 

My VOIP phones are using G729 to a G729 trunk from a vendor (Centracom,
South Africa). Unlicensed G729 codec version on server.

 

75% of my .gsm files from MixMonitor are coming up corrupted about 3 minutes
into the recording.

 

The server has been up for 7 months beforehand with no problems with
recordings to .gsm format files.

 

I noted warnings and errors in the CLI, apparently coinceding with corrupt
MixMonitor recordings:

 

format_gsm.c:65 gsm_read: Short read (13) (Resource temporarily
unavailable)!

WARNING[30727]: app_dial.c:1379 wait_for_answer: Unable to write frametype:
2

WARNING[14712]: file.c:766 ast_readaudio_callback: Failed to write frame

WARNING[2612]: file.c:766 ast_readaudio_callback: Failed to write frame

WARNING[25283]: format_gsm.c:65 gsm_read: Short read (32) (Resource
temporarily unavailable)!

WARNING[28804]: file.c:766 ast_readaudio_callback: Failed to write frame

WARNING[28804]: file.c:766 ast_readaudio_callback: Failed to write frame

 

I'm using 1.8.11.0 on 14 sites countrywide for 3 years now, recording about
80 000 .gsm recordings per day. 

 

The actual VOIP audio is fine, the callers don't have any problems actually
talking to people, it is just the recording that is corrupt, the
conversation itself is fine.

 

Only one site has started producing corrupt .gsm files since last week. I've
already replaced that server with a brand new one, reinstalled the operating
system and Asterisk, problem still persists.

 

I've extensively searched online but nobody seems to have ever experienced
massive .gsm files corruption from MixMonitor - any ideas where I can even
start to look to solve this?

 

Thank you

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