LandOfFree - US Patents - Listing for Telephonic communications,With usage measurement,Call traffic recording or monitoring

Telephonic communications – With usage measurement – Call traffic recording or monitoring

Call detail record for internet call waiting

Telephonic communications – With usage measurement – Call traffic recording or monitoring

Call traffic control

Telephonic communications – With usage measurement – Call traffic recording or monitoring

Circuit arrangement for telecommunications exchange systems, par

Telephonic communications – With usage measurement – Call traffic recording or monitoring

City, time and toll-charge display when calling telephone number

Telephonic communications – With usage measurement – Call traffic recording or monitoring

Communication line monitoring system

Telephonic communications – With usage measurement – Call traffic recording or monitoring

Communication line monitoring system

Telephonic communications – With usage measurement – Call traffic recording or monitoring

Communication system utilizing information received during a sil

Telephonic communications – With usage measurement – Call traffic recording or monitoring

Communication terminal device, call-history memory method and ca

Telephonic communications – With usage measurement – Call traffic recording or monitoring

Communications network

Telephonic communications – With usage measurement – Call traffic recording or monitoring

Compilation, analysis, and graphic representation of call data

Telephonic communications – With usage measurement – Call traffic recording or monitoring

Computer telephone system