LandOfFree - US Patents - Listing for Telephonic communications

Telephonic communications – Plural exchange network or interconnection – With interexchange network routing

Virtual private network system and method using voice over...

Telephonic communications – Call or terminal access alarm or control – Fraud or improper use mitigating or indication

Virtual private switched telecommunications network

Telephonic communications – Call or terminal access alarm or control – Fraud or improper use mitigating or indication

Virtual private switched telephone network

Telephonic communications – Centralized switching system – Call distribution to operator

Virtual queuing support system and method

Telephonic communications – Centralized switching system – Call distribution to operator

Virtual queuing support system and method

Telephonic communications – Plural exchange network or interconnection – Interexchange signalling

Virtual signaling network method

Telephonic communications – Reception of calling information at substation in wireline... – Non-assigned telephone number indication

Virtual telecommunication messaging service system and method

Telephonic communications – Special services

Virtual telephone

Telephonic communications – Special services – Locating using diverse technology

Virtual telephone

Telephonic communications – Plural exchange network or interconnection – With interexchange network routing

Virtual telephone extension

Telephonic communications – Centralized switching system – Call distribution to operator

Virtual telephony data message system and process

Telephonic communications – Plural exchange network or interconnection – Interexchange signalling

Virtual terminal control device for switching system

Telephonic communications – Special services – Service profile

Virtual tour of user-defined paths in a geographic...

Telephonic communications – Plural exchange network or interconnection – With interexchange network routing

Virtual wide area centrex

Telephonic communications – Plural exchange network or interconnection – With interexchange network routing

Virtual work environment for remote users

Telephonic communications – Centralized switching system – Call distribution to operator

Virtual work environment for remote users

Telephonic communications – Centralized switching system – Call distribution to operator

Virtualized computer telephony integrated link for enhanced func

Telephonic communications – Centralized switching system – Call distribution to operator

Virtualized computer telephony integrated link for enhanced...

Telephonic communications – Centralized switching system – Call distribution to operator

Virtualized computer telephony integrated link for enhanced...