This is not possible. Telephony audio is handled by the baseband processor and not accessible to the application processor.
On Apr 22, 3:27 pm, "Jens K." <jens.k...@googlemail.com> wrote: > Hi there, > > we're a group of students and trying to implement some kind of voice > cryptography over a gsm connection (without modifing any gsm related > codecs, we render pure audio which gets transmitted via gsm). Is it > possible to initiate a voice call and transmit our generated audio > signal (means bypassing the microphone as the primary audio source for > that call)? > I write this because I'm slightly worried after reading some posts on > this list/group which states that the android.telphony APIs are > private and can't be called from processes outside the the telephone > subsystem. > > Kind regards, > Jens --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
