A system and method with which to establish parallel communications between the wireless terminal and the PSTN via a WLAN and an alternative network such as cellular or satellite networks. Once the parallel communications are established, handoff criteria govern seamlessly switching communications between...http://www.google.fr/patents/US20040233840?utm_source=gb-gplus-shareBrevet US20040233840 - Method for handoff of a telephone call between two different wireless networks
Method for handoff of a telephone call between two different wireless networks
Numéro de demande: 10/780,160 Numéro de publication: US 2004/0233840 A1 Date de dépôt: 17 févr. 2004 Brevet délivré: US7477897 ( Date de délivrance 13 janv. 2009)
