AC Sander - US Patent App. 11/428,103, 2008 - Google Patents
A network node, method, and mobile terminal for providing circuit-switched (CS) voice calls to a mobile terminal oper ating in a packet-switched (PS)-only network. A control node such …
A Sander - US Patent 9,019,953, 2015 - freepatentsonline.com
A network node, method, and mobile terminal for providing circuit-switched (CS) voice calls to a mobile terminal operating in a packet-switched (PS)-only network. A control node such …
A Sander - US Patent App. 11/428,103, 2008 - freepatentsonline.com
A network node, method, and mobile terminal for providing circuit-switched (CS) voice calls to a mobile terminal operating in a packet-switched (PS)-only network. A control node such …