Method and apparatus for monitoring and processing voice...

Method and apparatus for monitoring end-to-end performance...

Method and apparatus for multi-media communication over...

Method and apparatus for multicast call signaling in packet...

Method and apparatus for network independent initiation of...

Method and apparatus for network telephony

Method and apparatus for network-based telephone...

Method and apparatus for network-based telephone...

Method and apparatus for originating voice calls from a data...

Method and apparatus for performing call matching for...

Method and apparatus for performing internet protocol...

Method and apparatus for performing quality-of-service...

Method and apparatus for placing time division multiplexed telep

Method and apparatus for porting telephone numbers of...

Method and apparatus for proactive analysis of signaling...

Method and apparatus for processing internet protocol...

Method and apparatus for processing services in...

Method and apparatus for providing a communications service,...

Method and apparatus for providing a connection to a data...

Method and apparatus for providing a minimum acceptable...