Automatic feature changeover between a wired telephone and a...
Common access code routing using subscriber directory number
Communication system
Communication system having automatic call route selection
Communication terminal control
Dynamically adjustable call pacing system
Electronic programmer for telephones with auto-dial
Generalized telecommunications customer signaling arrangement
Generalizing specialized telephone numbers
Hot-line device for telephone sets
Integrated access device resident mechanism for...
Method and apparatus for creating and storing telephone director
Method and apparatus for providing a directory number to a...
Method and system for optimized scheduling
Method for providing remote emulation of the functionality...
Method, system and medium for plug-and-play downloading of...
Method, system and medium for plug-and-play downloading of...
Method, system and medium for plug-and-play downloading of...
Methods and apparatuses for placing a telephone call
Methods and apparatuses for placing a telephone call