Telephone apparatus for multiplexing digital speech samples and
Telephone apparatus system
Telephone apparatus used for computer network telephone system
Telephone apparatus used for computer network telephone system
Telephone apparatus used for computer network telephone system
Telephone based control system
Telephone call manager
Telephone call processing using SIP and/or ENUM
Telephone call setup procedure
Telephone call-back system controlled by an online data...
Telephone carrier system repeater and power supply
Telephone communication method capable of relating a...
Telephone communication system
Telephone communication system
Telephone communication system and method for controlling...
Telephone communication system and method over local area...
Telephone communication system and method over local area...
Telephone communication system and method over local area...
Telephone communication system and method over local area...
Telephone communication system over a single telephone line