Ethernet based TDM switch
Ethernet switch, and apparatus and method for expanding port
Ethernet-based digital subscriber line methods and systems
Ethernet-based digital subscriber line methods and systems
Exchange equipment
Exchange protocol for combinational multimedia services
Expandable telecommunications system
Extended access for automatic call distributing system
Extended bandwidth homePNA system compatible with homePNA 2.0
Extended telephone services via telephone lines shared for...
Extended telephony functionality at end points
Extending internet calls to a telephony call center
Extensible interactive voice response
Extension of a local area phone system to a wide area...