Sriram wrote: > Hi All > > I am a premium IVR content service provider thats runs on premium rate > lines, my setup (currently on PRIs) is like customer dials the short > code (premium number) which gets forwarded on the PRIs to my IVR. In > the normal world the customer is charged immediately the call is > answered by the IVR. On operator's new requirement - he wants me to > design the IVR in such a way that a customer will call on a number (Toll > Free/Premium Rate) but the billing will start only if his MSISDN is > present on a database (that he will give it to me) and upon accepting > his confirmation after playing a prompt...Is this sort of differential > charging on a single call possible in Asterisk ? If yes how and what > additional parameters do i need to get from him Yeah, just don't Answer() (in extensions.conf) the call until you check the database for his MSISDN. You can definitely do this with libss7, and I would presume it would be possibly with chan_ss7 as well. Matthew Fredrickson Digium, Inc.