Bandwidth control method and apparatus, and device

Gateway and method for managing VoIP telephone service

Voice over internet protocol processing method and related network device

Reverse power feeding power sourcing equipment and method

Method for using automatic communication management, method and device for automatic communication management, and terminal using same

Reverse power feeding power sourcing equipment and method

Communication apparatus and control method for the same

Apparatus and method for detection of off-hook phone in reverse power feeding architecture

Communication apparatus and method with off-hook detection and power supply control

COMMUNICATION DEVICE, STORAGE MEDIUM AND METHOD FOR AVOIDING UNFINISHED PHONE CALLS

Method and apparatus for non-disruptive telecommunication loop condition determination

Test systems and methods for extended off-hook conditions on a subscriber line

Method and system for identifying and removing stale connections on a user device

Method and apparatus for non-disruptive telecommunication loop condition determination

Method and apparatus for enabling the network to disconnect unintentionally idle off-hook endpoints

Off-hook notifier

Device for automatically opening a customer loop in a telecommunication network