I have a few questions:
1) In which part of the code the sound card is configured or selected?
Because linphone can't find a sound card on my ARM Linux system and I
was thinking to get and send the audio from/to pipes for comunication
with annother program.
2) What file type of sound is sent and received, for a playback? Is it pcm or .wav or another one?
3) How do I use linphone to register on a sip server?