Since it is possible that a caller may never use the same circuit twice, there is no reliable way to identify the caller by PBX circuit IDs.
What does CID stand for?
CID stands for Circuit ID (Identification; computing)
This definition appears very frequently and is found in the following Acronym Finder categories:
- Information technology (IT) and computers
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Other Resources:
We have 320 other meanings of CID in our Acronym Attic
- Abbreviation Database Surfer
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