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58 | Glossary
CCK
Common Cipher Key
Central Network Equipment
The equipment located at the Master Site or Mobile Switching Office.
Class 3
DCK encryption, ESI with CCK, authentication.
Clear
Not encrypted.
Common Cipher Key (CCK)
Used to encrypt group and broadcast addressed downlink signaling (from infrastructure to a radio). Also used to
protect ISSI identities.
See also:
Encryption
on page 59
Individual Short Subscriber Identity
Control Channel
The always active control channels transmit and receive the signaling to monitor and control the operation of radios.
CPS
Customer Programming Software
Customer Programming Software (CPS)
The software application used for programming radios.
DCK
Digital Car Kit
DCK
Derived Cipher Key
Derived Cipher Key (DCK)
Used to encrypt all uplink signaling (from radios to infrastructure) and individually addressed downlink signaling
(from infrastructure to a radio).
See also:
Encryption
on page 59
DGNA
Dynamic Group Number Assignment
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