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

[C F]

Try other phones, the Grandstreams have a history of issues.

On Jan 20, 2008 11:04 PM, Cameron Hissey <camhissey at gmail.com> wrote:
> 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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