Common Channel Inter-office Signaling. A technique where signaling for a number of channels is carried on a single common channel, in contrast to each channel carrying its own signaling information.
common channel interoffice signaling. A method in which labeled messages convey signaling and call completion information over a single circuit, leaving other circuits free for voice, data or video transmissions. common control switching arrangement (CCSA) - Network service that directs inward and outward dialing typically with a seven-digit code. Originally designed as a feature for private networks. Now seen in virtual switched private line networks.
Common Channel Interoffice Signaling. An AT&T system for sending signals between central offices.
Common Channel Interoffice Signaling. A method of carrying telephone signaling information along a path different to the path used to carry voice.
An electronic means of signaling between any two switching systems independent of the voice path. The use of CCIS makes possible new customer services, versatile network features, more flexible call routing, and faster connections.
A method for sending signaling for a number of communication channels on one common channel using digital multiplexing techniques.