78605942
Apr 11, 2005
Feb 6, 2007
Communications software to effectuate and manage telecommunication sessions including voice, fax, and data transmissions via a packet-based protocol with edge devices including VoIP phones, analog telephone adapters, personal digital assistants, Wi-Fi handsets, dual-mode cellular handsets including cellular and voice over Wi-Fi, integrated access devices, residential VoIP gateways, VoIP enabled routers, and broadband access equipment, etc
Electrical and Scientific Apparatus