Cabinet and position allocation
Cable analyzer with d.c. functions
Cable pair tester
Cable pair tester
Cable pair to telephone number verification system
Call center with fault resilient server-switch link
Call control management system
Call detail reporting for lawful surveillance
Call detail reporting for lawful surveillance
Call path system and method for modeling and modifying a call pa
Call progress monitoring
Call protect systems with handoff redundancy
Call record scheduling system and method
Call yourself BERT testing of ISDN line
Call yourself BERT testing of ISDN line
Call-content determinative selection of interception access...
Call-flow verification method and apparatus
Caller ID activated test device for testing a telephone subscrib
Capacitance measurement-based mechanism for locating open...
CDMA mobile automatic call simulating method and simulator there