Managing multicast conference calls

Managing serial numbering of encoder-receiver-transmitter...

Many dimensional congestion detection system and method

Mapping function and method of transmitting signaling system...

Marker circuit for a switching stage equipped with...

Marker for communication switching system

Marker path finding arrangement including immediate ring

Master-slave communications system and method for a network...

Master-slave microprocessor control circuit

Master/slave system and its control program executing method

Matching process

Matrix module and switching network

Matrix of optical switches and process for the manufacture...

Matrix switch circuit

Matrix type switching device

Matrix with reflected wave energy crosspoints

Matrix-protecting supervisory arrangement for a...

Matrix-type optical concentrator-distributor

Means of increasing capacity in cellular radio (mobile &...

Means of increasing capacity in cellular radio (mobile &...