G l o s s a r y
12. Glossary
This section explains the abbreviations that are used in this document.
TERM
DESCRIPTION
3GPP
3rd Generation Partnership Project. 3GPP is used as a
collective term for the 2G, 3G and 4G cellular standards in this
document.
CLIR
Calling Line Identification Restriction
DGNA
Dynamic Group Number Assignment
DMD
Dual Mode Device
DMO
Direct mode
E2EE
End to End Encryption
FSSN
Fleet Specific Short Number
GNSS
Global Navigation Satellite System
GPS
Global Positioning System
GSSI
Group Short Subscriber Identity
GTSI
Group TETRA Subscriber Identity: MCC + MNC + GSSI
MCC
Mobile Country Code
MNC
Mobile Network Code
NFC
Near Field Communication
PABX
Private Automatic Branch Exchange
PMR
Private/Professional Mobile Radio
PSTN
Public Switched Telephone Network
PTT
Push To Talk
SDS
Short Data Service
TETRA
Terrestrial Trunked Radio
THR
TETRA Handportable Radio (for example THR9, TH1n)
TMO
Trunked mode
Dabat_en_print.book Page 109 Mardi, 27. novembre 2018 5:08 17