Hi,
Is it like you want to transfer audio from your computer to your module?
How are you connecting your headset to the module? Are you using any sound cards?
It seems like You would have to use the souncard’s audio in/out to connect to the Fastrack’s audio in/out.
Check the Fastrack User Guide for audio levels, pinout, etc…
Also you have mentioned default incoming call bearer as ‘data’ using AT+CICB=0 command
As already noted, it’s not at all clear what you’re actually trying to do!
The best way to describe it would be to post a diagram - use the ‘Upload attachment’ button in the reply form, and choose ‘place in-line’ to have it appear as a picture in the post.
Alternatively, place it on an accessible site somewhere, and use the ‘Img’ button to link it…
It really is checked the user manual and tell me the pinout and pinin but when I use the command to activate and able to pass the mic and the audio does not work for me .