LandOfFree - US Patents - Listing for Telephonic communications

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of centralized switching system

Cabinet and position allocation

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line

Cable analyzer with d.c. functions

Telephonic communications – Special services – Automatic directory service

Cable connected network server platform for telephone...

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

Cable management system

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – With blocking of normal usage

Cable pair tester

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – With blocking of normal usage

Cable pair tester

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of centralized switching system

Cable pair to telephone number verification system

Telephonic communications – Centralized switching system – Structure of equipment

Cabling for buildings

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...

Cabling system for low voltage and very low voltage networks in

Telephonic communications – Audio message storage – retrieval – or synthesis – Message management

Caching user information in an integrated communication system

Telephonic communications – Audio message storage – retrieval – or synthesis – Multimedia system

Caching user information in an integrated communication system

Telephonic communications – Audio message storage – retrieval – or synthesis – Message management

Caching user information in an integrated communication system

Telephonic communications – Call or terminal access alarm or control – At switching center

Call admission control method and cell flow monitoring method in

Telephonic communications – With usage measurement – Call traffic recording by computer or control processor

Call admission control method and communication system to...

Telephonic communications – Emergency or alarm communications

Call agents and systems and methods for providing emergency...

Telephonic communications – With usage measurement – Call traffic recording by computer or control processor

Call and circuit state machine for a transaction control...

Telephonic communications – Centralized switching system

Call and connection control

Telephonic communications – Centralized switching system – Call distribution to operator

Call and data correspondence in a call-in center employing virtu

Telephonic communications – Centralized switching system – Call distribution to operator

Call and data correspondence in a call-in center employing...