Method and system for encoding and decoding typographic...
Method and system for event notifications
Method and system for generation of tone signals over a transmis
Method and system for implementing an intelligent redial system
Method and system for line status indicators using line side...
Method and system for reliably detecting voiceband signaling...
Method and system for routing calls to desire discount...
Method and system for telephone number change notification...
Method and telecommunications center for recognizing...
Method for accessing a country code or an area code stored...
Method for activating a lamp on analog customer premises equipme
Method for adapting supplementary equipment to an analog...
Method for audible caller name announcement with call list featu
Method for automatic input and transmission of pass word in...
Method for automatic speech direction reversal, and circuit conf
Method for automatically composing a telephone dialing string
Method for automatically switching telephone system to an...
Method for communicating
Method for controlling a digital telephone set and a telephone s
Method for determining telephone dial pulse parameters independe