Main terminal and a method of operating the same
Maintaining an off-hook condition during a call bridge
Maintenance termination unit module
Management system for a telecommunications switch
Managing power in a line powered network element
Mechanism for measuring resistance of telephone subscriber...
Mechanism for preventing clipping of pulse metering signals...
Message arrangement and method for implementing a digital teleph
Message transmission system
Metallic channel unit network
Metallic channel unit network
Metallic channel unit network
Metallic current limiter
Method and an arrangement for securing an ADSL connection
Method and apparatus for a differential feedback in an...
Method and apparatus for a high efficiency line driver
Method and apparatus for a high efficiency line driver
Method and apparatus for a single power supply for dual...
Method and apparatus for adapting a phone for use in network...
Method and apparatus for adaptive DC level control