Digital system connect frame

Digital system connect frame

Digital telephone set having an emergency switching function and

Digital tone detector

Digital-cross-connect system single element restoration...

Direct customer control of a network router

Directing contacts between an end user and a contact center...

Directing contacts between an end user and a contact center...

Directly contactable call center agents

Directory number translation in a distributed control switching

Distributed call progress tone detection system and method...

Distributed call-routing systems

Distributed connection control in telecommunication networks

Distributed control exchange

Distributed control type electronic switching system

Distributed hardware/software system for managing agent...

Distributed network control and fabric application interface

Distributed predictive and event-driven processing environment

Distributing frame for telecommunications circuits

Distribution frame board