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channel-associated signaling (CAS)

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channel-associated signaling (CAS)

Channel-associated signaling (CAS) is signaling (for example, in a T-carrier system line) in which control signals, such as those for synchronizing and bounding frames, are carried in the same channels as voice and data signals. This arrangement is an alternative to CCS (common channel signaling) in which a group of voice-and-data channels share a separate channel that is used only for control signals.

CAS also stands for column address strobe and content-addressed storage.

Related glossary terms: MBone (Multicast Internet), time-to-live (TTL), care-of address, TCP/IP (Transmission Control Protocol/Internet Protocol), EIGRP (Enhanced Interior Gateway Routing Protocol), passive FTP, route summarization (route aggregation), registered port numbers, IPX (Internetwork Packet Exchange), frame

This was last updated in June 2006

Posted by: Margaret Rouse

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- Cisco offers a tutorial about 'VoIP with Channel Associated Signaling (CAS).'

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