Enhanced overflow call processing

Enhanced privacy feature for telephone systems

Enhanced security for voicemail passwords

Enhanced subscriber line interface circuit

Enhanced system and method for use in a telephone network to...

Enhanced telecommunication system

Enhanced telecommunications network

Enhanced voicemail system

Enhanced wide area audio response network

Enhanced, deferred messaging service

Enhancement do not disturb subscriber feature within a...

Enhancement of sound quality for computer telephony systems

Ensemble modem structure for imperfect transmission media

Entrance communication system

Entrance telephone system utilizing the public subscriber...

Environmental data system

Environmentally protected housing for using central office...

Equalizing and anti-sidetone telephone circuit

Equipment and method for management of terminal...

Equipment for controlling interoffice signaling during a...