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call completion on no reply (CCNR)

Call Completion on No Reply (CCNR) is a service feature ofISDN. The calling subscriber's number is shown on the called subscriber's display, even if the called subscriber does not pick up the call and even after the calling subscriber has cancelled the

call. Thecalled subscriber is automatically connected to the calling subscriber's number after going off-hook.

CCNR is described by the ITU-T in Q.733.5.

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Englisch: call completion on no reply - CCNR
Updated at: 31.03.2008
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