Call center system for multiple transaction selections
Call center system, method for receiving call, and a...
Call center telephone and data flow connection system
Call center with fault resilient server-switch link
Call center with location queuing and dispatching
Call centre
Call centre agent automated assistance
Call charge control and notification
Call charge management device in private branch exchange system
Call charge transferring method in PBX system
Call charging method and related network elements
Call charging method in radio telephone system and radio telepho
Call charging method in radio telephone system and radio telepho
Call charging notification
Call clip
Call completion services for hybrid public/private...
Call completion system with message writing indication upon regi
Call connection control method in exchange
Call control
Call control component collection of communication device...