(MTP) in the SS7 protocol with which the switching line is determined. The Circuit Identification Code is subject to a number of conventions, including the fact that the designations are adapted to the network operator, that only user channels with different CIC codes may be operated between two network nodes and that the two network nodes connecting a user channel have the same Circuit Identification Code. The Circuit Identification Code is described in ITU-T Recommendations Q.762 and Q.763.
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|Englisch:||circuit indentification code - CIC|