Alarm notification system and method for a telephone switch

Apparatus and method for call progress timing measurement in...

Apparatus and method for checkpointing a half-call model in...

Apparatus and method for generating calls and testing telephone

Apparatus and method for managing a software system via...

Apparatus for providing redundant services path to customer...

Apparatus for testing and sparing linecard equipment in a teleco

Apparatus for testing the line continuity of telephone switch eq

Arrangement for operating and maintaining a telecommunications s

Automated test call generation and execution system

Automated testing of a telecommunications platform

Automated testing of a telecommunications platform

Automated translation input system

Automatic terminal start/stop verification system using call pro

Autonomous expert system for directly maintaining remote telepho

Cabinet and position allocation

Cable pair to telephone number verification system

Call protect systems with handoff redundancy

Call-flow verification method and apparatus

Central office technician notification and information system