Method to alert a phone operator by magnetic means of an...
Methods and apparatus for encoding and decoding data...
Methods and apparatus for identification and user prompting...
Methods and apparatus for intercepting dual-tone...
Methods and computer readable media for creating dialing...
Methods and systems for per-session traffic rate policing in...
Mixed mode dialing system
Mnemonic number dialing plan
Mobile communication unit
Modular telephone
Monitor-controlling device
Monolithic telephone subscriber line interface circuit
Motor for generating vibrational signal
Multi-frequency signal detector and classifier
Multi-frequency signal receiver and a method of detecting the mu
Multi-frequency tone detector
Multi-line programmable telephone call annunciator
Multi-media communication system having programmable speed...
Multi-modal address book
Multi-modal address book