On Wed, Mar 15, 2006 at 02:01:50PM +1100, James Harper wrote: > This is more an isdn question than an asterisk specific one, but is > there any end to end signalling channel available during call setup? Eg > if AParty dials BParty, can any information be conveyed (in both > directions preferably, and in addition to CLI[PR]) before the call is > answered? > There is not such thing like A to B signaling, your phone/pbx is sending signaling messages to your provider pstn switch not to BParty.
> The only way I can think of doing this is for the AParty to use CLIP to > present a different number to the BParty, and for the BParty to > terminate the call while ringing after a certain time (the time taken to > terminate forms the information from B to A). > On some E1/T1 , you can spoof callerid , everything depends on your provider. /pch -- Dyslexia bug unpatched since 1977 ... exploit has been leaked to the underground. _______________________________________________ --Bandwidth and Colocation provided by Easynews.com -- Asterisk-Users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
