VOIP barge-in support for half-duplex DSR client on a...
VoIP call routing information registry including hash access...
VoIP call routing information registry including hash access...
VoIP gateway apparatus
VoIP gateway device and digital one-link tandem exchange method
VoIP monitoring system and VoIP monitoring method
VoIP over access network
VoIP over access network
VoIP terminal speech quality control system and method
VoIP terminal supporting optimal intercom service and...
Voltage regulator
VOP (voice over packet) automatic call distribution
VP/VC lookup function
VPI/VCI administration
VPN composing method, interwork router, packet communication...
VPN composing method, interwork router, packet communication...
VPN optimization by defragmentation and deduplication...
VPN router and VPN identification method by using logical...
Wall-mountable connector
WAN access system capable of performing a line switching and...