On Tue, Mar 22, 2011 at 3:56 PM, Stephen Wilde <wstephen80@gmail.com> wrote:
The channel where I'm doing tone_detect is an outbound channel that is bridged to the inbound channel. The playback can works?

Sure. You're just saying to send silence on the line. No biggie. You have to have media already anyway because tone_detect doesn't work without it, so no worries.
-MC