1
Ariel Rosenblatt: Method and system for handoff between wireless networks. CounterPath Technologies, Anne Kinsman, Borden Ladner Gervais, May 22, 2012: US08184590 (136 worldwide citation)

A method and system for operating a standalone client in a dual-mode mobile communications device to hand off a call between first and second wireless networks operating under different communications protocols, using Session Initiation Protocol (SIP) and ISDN User Part (ISUP) signalling. The standa ...


2
Rosenblatt Ariel: Method and system for handoff between wireless networks. Firsthand Technologies, Rosenblatt Ariel, KINSMAN L Anne, February 5, 2009: WO/2009/015490 (1 worldwide citation)

A method and system for operating a standalone client in a dual-mode mobile communications device to hand off a call between first and second wireless networks operating under different communications protocols, using SIP and ISUP signaling.


3
Ariel ROSENBLATT: Method and system for handoff between wireless networks. Firsthand Technologies, Borden Ladner Gervais, Anne Kinsman, February 5, 2009: US20090034471-A1

A method and system for operating a standalone client in a dual-mode mobile communications device to hand off a call between first and second wireless networks operating under different communications protocols, using SIP and ISUP signaling.