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CONF Conference Call add on
CSPDN Circuit Switched Public Data Network
CUG Closed User Group
CW Call Waiting
DB Dummy Burst
DBS Distributed Base Station **
DCCH Dedicated Control Channel
DET Detach
DFE Decision Feedback Equalizer
DISC Disconnect
DL Data Link (layer)
Dm Control Channel (ISDN terminology applied to mobile service)
Dm Signaling channel
Dp Dialed Pulse
DRCU Diversity Radio Channel Unit**
DRX Discontinuous Reception
DTAP Direct Transfer Application Part
DTE Data Terminal Equipment
DTMF Dual Tone Multi-Frequency (tone signaling type)
DTX Discontinuous Transmission
E erlang
Eb/No Energy per Bit/Noise floor
EC Echo Canceller
Ec/No Ratio of energy per modulating bit to the noise spectral density
EGSM Extended Group special Mobile
EFR Enhanced Full Rate
EIR Equipment Identity Register
EIRP Effective Isotropic Radiated Power
EMC Electromagnetic Compatibility
EMX Electronic Mobile Exchange **
ETSI European Telecommunications Standards Institute
FACCH Fast Associated Control channel
FACCH/F Full rate Fast Associated Control channel
FACCH/H Half rate fast Associated Control channel
FB Frequency correction burst
FCCH Frequency Correction Channel
FEC Forward Error Correction
FN Frame Number
FR Full Rate
FTAM File Transfer Access Management
GCC Global Call Center
GMSC Gateway Mobile Services Switching Center
GMSK Gaussian Minimum Shift Keying
GSM Group Special Mobile
GSM MS GSM Mobile Station
GSM PLMN GSM Public Land Mobile Network
HANDO Handover
HDLC High Level Data Link Control
HLR Home Location Register
HOLD Call Hold (Supplementary Service)
HPLMN Home PLMN
HPU Hand Portable Unit
HR Half Rate
HSN Hopping Sequence Number
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