[Bristuff-users] "Cause 34" on free channel

[Steve Davies]

2008/5/9 Michiel van Baak <michiel at vanbaak.info>:
> On 14:08, Fri 09 May 08, Gunnar Schaller wrote:
>>
>>
>> > You have to ask your telco to disable energy saving.
>> > We had the same issue with a couple of customers. One call to the telco
>> > was enough to fix it.
>>
>> Is there no way to handle it on the Asterisk side? Something to force
>> the layer 1 to be up all the time? Does the qozap driver detect the
>> idle mode/ energy saving?
>
> There's no way to keep the layer 1 up with the qozap driver.
> You really need your telco to disable it

Alternatively have the ISDN service changed from PtMP to PTP - The PTP
protocol involves the 2 ends negotiating the use of the D-Channel in
advance, unlike PtMP which is a more passive affair.

PtP seems to send layer 1 and layer 2 keepalives on this basis.

I always find PtP is a far more appropriate signalling type of ISDN anyway.

Cheers,
Steve