On Fri, 2 Feb 2007, Mikko J Rauhala wrote: > No. The GSM processor does its own audio de- and encoding, and its And echo cancellation. When using any VOIP app, you will need to put in your own echo cancelation code. I listened to the Windows Mobile 5 Skype client, and even that was pretty awfull. You'll need to use a headset. Paul