Context-sensitive presentation of information to call-center age

Continuity testing with call tone messaging in communication...

Control data transmission system for private branch exchange

Control of access to the call completion on busy link...

Control of access to the call completion on busy link...

Control of merchant application by system monitor in virtual...

Control of telemetry interface gateway during a voice call

Control of telemetry interface gateway for a voice call

Control server employment of offer message from resource...

Controlling hold queue position adjustment

Controlling multi-fort hunt groups in a distributed control swit

Controlling multi-port hunt groups in a distributed control swit

Convertible switched telephone exchange

Coordinated network-wide administration of exchanges

Coordinating work assignments for contact center agents

Cross point mixer for a telephone set

Cross point switch with power failure mode

Cross-connect module and mount

Cross-connect switch

CTI integration of telephonic calls moved between switches...