Hello AFAIK 4G will use IMS (IP Multimedia Subsystem) in the core network. Phones will use SIP as signaling. IMS is whay you are looking for.
Greetings, -- Jorge Martínez López <jorg...@gmail.com> http://www.jorgeml.net _______________________________________________ -- 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