[pjsip] Change from sound output from loud speaker to normal ear speakers on HTC devices

[Fabio Pietrosanti (naif)]

Probably a "bit" of reverse engineering "for compatibility purpose" 
(that's legal) would be required on those products.

Fabio

CalvIA IA wrote:
> Hi,
>
> oh, i did the listing out of sound devices, refering to the sndinfo.c 
> sample.
>
> selected a different playback device from the list using 
> "pjsua_set_snd_dev ();"
>
> yet the audio is still coming out from the rear speaker.  
>
> I tested many other voip clients (Skype, Tivi, SJPhone) on WM, I 
> wonder how they route it successfully to the ear speakers.