[asterisk-users] Large issue - having trouble diagnosing.

[shadowym]

Hmmmm,
 
Using some brand new obscure Asterisk distribution, TE110P card, Grandstream
phones.
 
Can't imagine why you would be having problems
{/sarcasm off}
 
From: Cameron Hissey [mailto:camhissey at gmail.com] 
Sent: Sunday, January 20, 2008 8:05 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: [asterisk-users] Large issue - having trouble diagnosing.
 
Hello,
 
 
I am having a lot of trouble with my deployment of Asterisk. I am running
the PBX-In-a-flash turnkey of Asterisk and ever since deployment I have had
many different problems. I have managed to get all issues sorted out as I go
along, until this one that randomly began last week.  
 
We are using Grandstream GXP 2000 Handsets in the office, and at TE110P card
to interface to our ISDN OnRamp10 connection (10 Channels of PRI). 
 
The problem arising seems to happen roughly 4minutes into a call. Basically
all of a sudden the caller just starts to no longer be understood (sounds
like morse code, only milliseconds of voice packets getting through in
either direction). naturally this could be a number of non-asterisk related
things such as a carrier fault, bad network wiring (even more possible as we
are using PoE), even badly configured QoS. However things being as they are
my boss has taken it upon himself to absolve himself of any possible blame
for any system that he manages (everything but the asterisk box) and lumped
it all on me in such a way that its basically my job if i cannot get this
working. With all of this, i need to do everything i can to rule out the
Asterisk box, so i can go back to him with confidence and clear asterisk of
any wrongdoing.  
 
Has anyone here ever heard of this sort of problem, and if so did you find a
solution? If not, what steps would you recommend i take to diagnose the
issue and rectify it as quickly as possible? 
 
Thankyou very much,
 
Cameron Hissey
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