[pulseaudio-discuss] bluetooth headset audio not supported by ofono

Arun Raghavan arun at accosted.net
Mon Feb 9 02:19:26 PST 2015

On 9 February 2015 at 15:44, Georg Chini <georg at chini.tk> wrote:
> On 09.02.2015 10:55, Arun Raghavan wrote:
>> On 9 February 2015 at 14:54, Georg Chini <georg at chini.tk> wrote:
>>> On 09.02.2015 10:16, Arun Raghavan wrote:
>>>> On 9 February 2015 at 14:29, Georg Chini <georg at chini.tk> wrote:
>>>>> On 09.02.2015 09:28, Arun Raghavan wrote:
>> [...]
>>>> If you mean that we need to do AT command handling, we now already do
>>>> a bit of that in PA (we couldn't really agree upon any other place for
>>>> that once BlueZ dropped it). Is there much we need to support other
>>>> than volume commands?
>>>> Assuming it's not too much more complex than the HSP support, we
>>>> should be able to manage that just fine by extending the native
>>>> backend.
>>> For audio you probably won't need much more. But if you do not
>>> support the telephony functions, you are in the same situation as
>>> ofono is with the AG role. Here ofono supports the AT commands,
>>> but no audio, and what use is a headset without audio?
>>> And if you support audio for a phone but not the telephony functions,
>>> what is phone audio good for where you can't make or receive a call?
>> You can receive a call (you don't need the headset functions to accept
>> one), so we've had users using their computer, their Raspberry Pi, or
>> other devices for such use cases.
> Really? Without using ofono? I wonder how this worked. I did already
> use ofono with bluez4 and it would not have worked without. Who
> sends the AT command to accept the call to the phone? Or do I have
> to pick up manually then?

Since we didn't have a mechanism to answer the phone call, probably
was manual. Do note that this mode would be useful for more than
telephony calls (i.e. voip calls too).

-- Arun

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