Hi Piclister's >>What is the way to detect that the other party pick up the phone? > B party answer, of polarity reversal is not common now. If this >needs to be exact, then you need a meter pulse (The current method). This >is >either 12 or 16kHz, and you WILL pay for this feature as it is generated by >the CO. >Dennis Thanks Dennis. So as you say, CO should help, for money of course. I think I better go the other way and detect it using absense of ring tone as David VanHorn said in a private e-mail send to me thanks David. Thanks to you also Dan Michaels for your page but if you see, your link was the link I mention in my perviouse message :) thanks anyway Thanks to all piclisters M. Elegairy egairy@iname.com _________________________________________________________________________ Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com. Share information about yourself, create your own public profile at http://profiles.msn.com. -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.