LandOfFree - US Patents - Listing for Telephonic communications,Call or terminal access alarm or control,At switching center

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

Methods and apparatus for authenticating and authorizing...

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

Multi-user telephone line

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

Outgoing call screening

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

PBX integrity arrangement for maintaining the functional integri

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

Personal-servicing communication system

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

Remotely accessing special services in telephone exchange

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

System and method for call redirect detection and treatment

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

System and method for call redirect detection and treatment

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

System and method for control of communications connections...

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

System and method for data communication

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

System and method for limiting call velocity attempts in a publi

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

System and method for preventing fraud upon PBX through a remote

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

System and method for privacy screening with special...

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

System and method for restricting and monitoring telephone...

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

System and method for restricting and monitoring telephone...

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

System for providing communications services in a telecommunicat

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

System for securing access to equipment connectable to a telepho

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

Telemarketer screening

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

Telephone fraud detection system