Universal headset tester
Universal task management system, method and product for...
Use of lower bandwidth technology to determine channel...
User interface and system to facilitate telephone circuit...
User interface and system to facilitate telephone circuit...
Utilities module for proactive maintenance application
Utilities module for proactive maintenance application
Utilities module for proactive maintenance application
Utilities module for proactive maintenance application
Utilization of communication channels between a central...
Variable geometry battery compartment for accommodating differen
Verification of subscriber lines prior to cutover to a new switc
Voice interface unit for line conditioner control
Voice messaging
Voice messaging
Voice monitoring method for a telephone switching equipment
Voice monitoring system for remote subscribers
Voice over digital subscriber line call redirection for...
Voice path testing in telecommunications system
Voicemail test system