Virtual identifier conversion system

Virtual private line service

Virtual private network service provider for asynchronous...

Virtual tributary cross connect switch and switch network...

Virtual wide area centrex

Virtual wide area centrex

Viterbi decoding method and circuit with accelerated...

Voice activity detector

Voice and data combining and pabx incorporating same

Voice and data terminal for a radiotelephone network

Voice band-based data transmission system

Voice encoding/decoding apparatus coping with modem signal

Voice information service networking system

Voice mail service of a closed user group in a mobile...

Voice messaging system in an intelligent network

Voice-over-ip using h.323-enabled gr-1129 architecture

Voice-pager system

Voice-response paging device and method

Voiding calls to signal supplementary services