A system, apparatus and method for establishing circuit-switched (CS) communications in packet-switched (PS) multimedia networks such as IMS, and providing services via the PS networks to CS domain users. A dialog is established between terminals through the PS multimedia network. A service is provided...http://www.google.fr/patents/US20050083909?utm_source=gb-gplus-shareBrevet US20050083909 - System, apparatus, and method for establishing circuit-switched communications via packet-switched network signaling
System, apparatus, and method for establishing circuit-switched ...
Numéro de demande: 10/688,203 Numéro de publication: US 2005/0083909 A1 Date de dépôt: 17 oct. 2003 Brevet délivré: US7359373 ( Date de délivrance 15 avr. 2008)