Hi Iain, Thanks for your quick response! :) > Yes, it uses a straight serial (over RFCOMM) link with commands/responses > being sent each way in plaintext. eg from Audio Gateway (computer) to > Headset: > > +VGS=n > > set headset speaker volume (0-15) > > +VGM=n > > set headset microphone gain (0-15) OK, but I don't know where the RFCOMM socket is created, how can I connect to existing socket? Best regards, Nick -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html