Is it possible to set our own object with a higher priority value than the main phone application?

I am also trying to take control of the audio output when an incoming call is received, in order...

We'd love to, but we're developing this as a contractor, and the client is not willing to give up the sound functionality ;-).

Your idea is good, but that's not the way we did it. Our app has an interface that allows the user to select a video file.

As for how far we are, well, as soon as we solve this sound problem (i.e....

We are also developing a video ringtone application, and looking for a way to mute the standard phone ringtone.

What"s the best way to proceed? Working on the profiles?