Methods, systems, and computer programs for generating a...
Methods, systems, and computer-readable mediums for indexing...
Methods, systems, and products for purchasing pre-paid services
Missed calls accounting and reporting system
Mobile telephone services provided using pre-paid financial...
Mobile telephone-vehicle meter device interface
Monitoring and recording apparatus for connection to a telephone
Monitoring system and method used in automatic call distributor
Monitoring usage of telecommunications services
Monolithically integratable telephone circuit for generating con
Monolithically integratable telephone circuit for generating con
Multi-networking communication system and method
Multi-processing stored program controlled telecommunication est
Multiple service representative conferencing apparatus and metho
Multiple system management point nodes using dynamically...
Multiple user telephone accounting
Network assurance analytic system
Network based determination of cost effective access
Network having space chattering control for maximizing call...
Network having space chattering control for maximizing call...