Distributed voice processing system
Distribution of packets to multiple addresses
Distributively routed VDSL and high-speed information packets
Distributor employing controlled switching elements
Domain and service based update messaging
Domain name server architecture for translating telephone...
DSL access system negotiating a voice codec type to be used...
DSL system
DTMF detection in internet telephony
DTMF digit collection and transportation for a packet network
Dual band bypass modem
Dual band modem
Dual band modem for high bandwidth communications
Dual OSS management of an Ethernet access network
Dual tone multi frequency signal detection
Dual-use packet/analog phone or phone-adapter in a packet...
Duplicate media stream
Dynamic allocation of voice and data channels in a time...
Dynamic allocation of wireless mobile nodes over an internet...
Dynamic assignment of telecommunications switches and packet...