Glossary
ADD Audio Device Descriptors
AIE Air Interface Encryption
Air Interface Encryption (AIE) Provides confidentiality on the radio link over the air.
See also: Encryption
Announced Cell Reselection Cell reselection where radio Mobile Link Entity (MLE) informs the Switching and
Management Infrastructure (SwMI) both in the serving cell and in the new cell that cell change is performed.
APAC Asia Pacific region
ASSI Alias Short Subscriber Identity
See also: Short Subscriber Identity
Audio Device Descriptors (ADD) A structure which provides hardware information about a particular audio
accessory (for both IMPRESS and core accessories). Files with ADD have an extension .add.
Base Station Term used to identify the installation including the BTS, antenna and ancillary equipment.
BTS Base Transceiver Station
Calibration values A set of important and unique, factory-defined values (such as frequency tuning) assigned to
radios. Also known as Sensitive data.
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, 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 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).
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