CID
[1] Connection ID -Verbindungsidentifikation[2] Caller ID -Nummer des Anrufers (s. auch CLID, ANI, CLI, MSISDN)
[3] Charge Injection Device (s. CCD)
[4] Computer Integrated Design
[5] Configuration Identification
[6] Cooperate Industrial Design (Philips)
[7] Centre for Information and Documentation (Euratom)
[8] Call Instance Data
[9] Configuration Installation Distribution ( "IBM")
[10] Computer Interface Device (->""NASA" Acronym List")
[11] Cedar Rapids/Iowa City, IA, USA -internationale Fughafen-Kennung