[asterisk-users] portech MV-378 SIP GSM Gateway

[Martin]

Maybe the GSM carrier is disconnecting you ???
Just a wild guess. They sometimes do that if they have to free
the channel ... for a better paying customer :)

Martin

On Thu, Oct 1, 2009 at 6:09 AM, robert boardman
<robert.boardman at gmail.com> wrote:
> Hi All
>
> I having an intermittent problem with the above mobile gateway and would
> appriciate some advice
>
> basically 1 in 10 calls fail at some point during the call, the duration of
> the calls ate completely different
>
> call progression
>
> Call comes in from Zap channel and dials a mobile number on the prtech
> gateway
>
> and it dials out on sip trunk 103, the call progresses ok and after a time
> the call goes silent without any warning
> any advice would be greatly appriciated
>
> Regards
>
> Robb
>
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