Virtual Circuit Identifier (VCID)
Definition - What does Virtual Circuit Identifier (VCID) mean?
A virtual circuit identifier (VCID) is a type of numeric identifier used to distinguish between different virtual circuits in a connection-oriented circuit-switched telecommunication network. It enables a circuit-switched network to identify different virtual circuits/channels involved in a device's data communication.
VCID can also be referred to as a virtual channel identifier (VCI).
Techopedia explains Virtual Circuit Identifier (VCID)
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