Re: Proactive problem monitoring on SIP on Asterisk

[Eric Wieling <EWieling@xxxxxxxxx>]

We have been quite disappointed by the Adtran VQM.  It often shows calls which had audio issues as being close to perfect.  It also often shows calls which sound perfect as having significant quality issues.

We don't allow reinvites so this might be part of the issue.   I don't have a lot more details (I was not involved in trying to diagnose the issue).

-----Original Message-----
From: asterisk-users-bounces@xxxxxxxxxxxxxxxx [mailto:asterisk-users-bounces@xxxxxxxxxxxxxxxx] On Behalf Of Jamie A. Stapleton
Sent: Friday, June 22, 2012 2:58 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re:  Proactive problem monitoring on SIP on Asterisk

ADTRAN has some interesting Voice Quality Monitoring built into their switches, routers, etc:  http://adtran.com/web/url/vqm

 

From: asterisk-users-bounces@xxxxxxxxxxxxxxxx [mailto:asterisk-users-bounces@xxxxxxxxxxxxxxxx] On Behalf Of Stefan at WPF
Sent: Wednesday, June 20, 2012 2:05 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject:  Proactive problem monitoring on SIP on Asterisk

 

Hello,

1) I am wondering what is the best practice to monitor if there are or were problems with SIP calls on my Asterisk box. E.g. how about a software that extracts all calls from the /var/log/asterisk/full (I have permanently enabled verbose 10 and sip debug) log and tells me on which of them were problems? Checking the logs manually is very hard, but as SIP is a standardized protocoll, there should be tools doing that for you? As an example, a person calling me recently got a 488 Not acceptable error as reply from my Asterisk box. Nothing came through to my SIP phone, so I didn't know anything about the call or the problems (which were on his phone btw). I would like to be informed about such cases, know that there was a call to my Asterisk box that made problems.

2) How about monitoring speech quality? E.g. sometimes it seems like a packet is missing (I then have a short pause during the call), how to monitor such things and create statistics out of this data?

So basically I want to monitor my Asterisk installation proactively for reliability/problems and (speech) quality.

Thanks for any hints!

Best regards
Stefan


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