On Thursday 16 October 2008 13:59:46 Karl Fife wrote: > On Thu, 16 Oct 2008 11:47:15 -0500, "Tilghman Lesher" > > <[EMAIL PROTECTED]> said: > > If you could explain what ISN is, that might help. > > an ISN, stands for ITAD Subscriber Number, which in turn stands for > 'Internet Telephony Administrative Domain Subscriber Number'. > Essentially it is a very clever way of resolving numeric strings (easily > be entered on a twelve-key numeric keypad) to full SIP uri's. > > for example [EMAIL PROTECTED] would be hard to enter on a telephone > keypad. ISN (available through Freenum.org) offers a solution. > > sip.ucla.edu is assigned the resolvable numeric string '269'. The > extension '1234' is already numeric. The @ sign in the SIP uri is > replaced by *. > > 1234*296 is dialed on the keypad, which resolves to [EMAIL PROTECTED] > The call is completed bypassing the PSTN. > > Back to the main idea: > > The ISN is unambiguous. There are no other dial strings that have a > single * somewhere between position 2 and length-3 > > It seems silly and kludgey to have to use an ISN prefix to recognize the > ISN, so that it can be sent to the resolver, so that it can be routed, > but I suspect that there's no way to differentiate that format with the > parser as it currently functions.
In that case, yes, the Incomplete app could be used for that purpose. -- Tilghman _______________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
