But from what I understand of SS7 it can be traced back with the cooperation of the carriers. I know we have traced a call setup (AMPS) across 3 carriers before.
Cary Fitch wrote: > And getting a connection > to a voice mailbox requires a 3 -way handshake so we can record the ip > number the call originated from. So it should be possible to generate > a dns black list similar to the ones used for email spam. > > [Cary Fitch] > The problem is these are coming in from the PSTN and the SS7 link is back to > the local switch/tandem, not to the originator. > CF > > > > _______________________________________________ > -- 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 > > _______________________________________________ -- 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
