Telecommunication station with call blocking and call transferri

Telephone accessory incorporating demand meter for multiple user

Telephone answering system with call screening circuit

Telephone bar device

Telephone call forwarding device

Telephone call screening apparatus

Telephone call screening apparatus

Telephone call screening circuit

Telephone dialing system for specialized services

Telephone for inhibiting specific calls dialed by an audible ton

Telephone intercept apparatus and method for intercepting an...

Telephone line access control

Telephone lock unit

Telephone number parser for wireless local loop telephones

Telephone ring registering device

Telephone set having outbound call restriction logic circuit

Telephone usage control

Timed telephone silencer. (telephone silencer with timer functio

Timer control for telephone

Timing circuit and a secure telephone jack utilizing this circui