[Gta04-owner] [PATCH 1/2] sms: Option HSO modem can't really do CNMA

[Neil Jerram]

On 2014-11-26 10:56, Lukas Maerdian wrote:
> Am 26.11.2014 um 11:37 schrieb Neil Jerram:
>> I've been working on SMS function with oFono.  oFono prefers to get
>> +CMT indications for received SMSs - which it requests by issuing
>> AT+CNMI=2,2... - instead of +CMTI indications that would be requested
>> by AT+CNMI=2,1...  But my observation is that the GTA04 modem doesn't
>> in fact generate +CMT indications for received SMSs (even when
>> instructed to do so by AT+CNMI=2,2...).
>> 
>> I can submit an oFono patch to issue AT+CNMI=2,1... when talking to a
>> GTM601, and so get +CMTI indications (which it handles fine).
>> 
>> Before I do that, however, can anyone confirm or deny that the GTM601
>> really can't do +CMT indications?
>> 
>> QtMoko for GTA04 issues AT+CNMI=2,1 and handles +CMTI indications.
>> FSO has a config setting named "sim_buffers_sms", and sends
>> AT+CNMI=2,1 if that setting is true, or AT+CNMI=2,2 if false; and the
>> GTA04 config has sim_buffers_sms=true.  Is that because others have
>> tried using +CMT before and found it not to work?
> 
> Hi Neil,

Hi Lukas,

> I've recently implemented SMS receiving in the hayes-ril for Android
> (http://git.goldelico.com/?p=gta04-replicant-device.git;a=shortlog;h=refs/heads/replicant-4.2)
> and saw a similar behavior.
> 
> I did not dig any deeper, but just used +CMTI indications, because this
> was totally fine for my use case. So I cannot give you a general answer
> to your question, but just say that also Android/Replicant, using my
> hayes-ril, uses +CMTI instead of +CMT.

Many thanks for this quick and useful reply!

Regards,
      Neil