Telephone abstraction layer and system in a computer...
Telephone accessory device
Telephone adaptations
Telephone addressing system
Telephone answering and call forwarding improvement
Telephone answering method and apparatus
Telephone answering system with call transfer
Telephone answering system with line detector
Telephone apparatus and start control method
Telephone apparatus having a multifunction call-waiting...
Telephone apparatus with interrupt call processing capability
Telephone appointment processing system
Telephone call blocking system
Telephone call connection architecture
Telephone call control methods
Telephone call control system and methods
Telephone call handling list for multiple users
Telephone call interuption request via internet
Telephone call notification feature
Telephone call processing arrangement based on calling and calle