Hi
When you dial from your SIP device the number of the other SIP device, it accesses the Econophone call routing infrastructure to get the remote IP address.
In SIP slang this is called the 'Gatekeeper'. You can get that with open source software and commodity hardware.
Daniel _______________________________________________ swinog mailing list [EMAIL PROTECTED] http://lists.init7.net/cgi-bin/mailman/listinfo/swinog
