Method and system for completing a voice connection between firs
Method and system for computer-based private branch exchange
Method and system for connecting a digital phone limited to anal
Method and system for conveying supervision information
Method and system for correlating telephone calls with...
Method and system for distributing messages from a signal transf
Method and system for distributing messages from a signal transf
Method and system for distributing messages from a signal transf
Method and system for distributing messages from a signal...
Method and system for establishing a multimedia connection...
Method and system for identifying calls having the same...
Method and system for implementing a service in a...
Method and system for implementing a service in a...
Method and system for integrating a computer and a telephone
Method and system for integrating multi services for...
Method and system for interfacing a legacy circuit-switched...
Method and system for providing access and control for telephone
Method and system for providing an alternative common...
Method and system for providing answer supervision in a switched
Method and system for providing mediated access between signalin