[Gta04-owner] Modem closes serial line after active calls (sometimes)

[Simon Busch]

On 03.05.2012 11:18, Bob Ham wrote:
> On 03/05/2012 10:07, Simon Busch wrote:
>> On 29.04.2012 15:56, Radek Polak wrote:
> 
>>> Currently i switch to 2G on modem 
>>> initialization - this seems to help + after 30s of unsuccessful reads i 
>>> restart whole QtMoko + some other hacks:
>>
>> Yeah, 2G seems to solve the problem. I tried with limiting the radio
>> access to 2G only and never got a disconnect from the modem.
>>
>> Disabling 3G generally for the GTA04 is nothing we really want. So I am
>> thinking about just limiting the radio access to 2G when dealing with
>> calls.
> 
> I feel I should point out that my phone company does not allow 2G usage;
> they are 3G only.  The connection will roam to 2G networks through third
> parties if there is no 3G signal but if you do this regularly they will
> complain.  If you continue to do this after they've complained they will
> cut off your connection.

Supporting use case like this and providing a common solution is
somewhat hard. I am not planing to do this for FSO as the one and only
solution but trying to see if it helps. There will be a reinitialization
of the transport if it HUP's like Radek did for qtmoko too.

regards,
Simon

-- 
Simon Busch - http://mm.gravedo.de/blog/