common channel interoffice signalingの例文
- This system is known as Common Channel Interoffice Signaling.
- Deployment of common-channel signaling systems such as Common Channel Interoffice Signaling and later Signaling System # 7 obviated the need to monitor multi-frequency signaling as it became obsolete.
- A "'blue box "'is an out-of-band channel which cannot be accessed from the line the caller is using, a system called Common Channel Interoffice Signaling or CCIS.
- In 1981, AT & T introduced its Common Channel Interoffice Signaling ( CCIS ) network and the Network Services System ( NSS ) database for providing its own centralized facility for Toll-Free Number translation and service provisioning.