Method and apparatus for measuring electrical properties of...
Method and apparatus for monitoring telecommunication signals
Method and apparatus for power regulation of digital data...
Method and apparatus for supervising the accessing and testing o
Method and apparatus for testing remote communication systems
Method and apparatus for testing telephone lines
Method and arrangement for loop test of a disturbed line
Method and arrangement for loop test of a disturbed line
Method and device for improving voice quality on transparent...
Method and system for diagnosing and testing modems and...
Method and system for linking a toll switch
Method and system for one-way delay measurement in...
Method and system for testing mobile communication systems
Method for communicating on an equipment network
Method for frequency and loop length grouping for cross-talk...
Method for initiating a telephone call on a remote line
Method for optimizing downstream data transfer in an...
Method for reducing noise from an asymmetric digital...
Method for resolving trouble in a connection having a...
Method for testing subscriber line of private automatic...