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2  ABBREVIATIONS AND DEFINITIONS 
2.1 ABBREVIATIONS 
AC  Authentication Code 
ADPCM  Adaptive Differential Pulse Code Modulation 
ARI   Access Right Identity 
DCK  DECT Ciphering Key 
DHCP  Dynamic Host Configuration Protocol  
DSP  Digital Signal Processor  
CRC  Cyclic Redundancy Checking 
DECT  Digital Enhanced Cordless Telecommunications 
EIC  Equipment Installation Code 
EMC  Equipment Manufacturer Code 
F4  iPBX range comprising NeXspan 50 and NeXspan 500 
F6  iPBX range comprising NeXspan L (XL), NeXspan S (XS) and NeXspan C (XC)  
FPS  Fixed Part Sub-number 
GAP  Generic Access Profile 
HTTP  Hyper Text Transfer Protocol  
IPEI   International Portable Equipment Identity  
IPUI  International Portable User Identity 
LAL  Location Area Level MMC 
PLL  Permanent Logical Link 
NCS      NeXspan Communication Server 
OMM   OpenMobility Manager 
PARI  Primary ARI 
PARK   Portable Access Right Key (assigns the rights of a cordless handset) 
PARK  PARK with PLI y 
PP  Portable Part (Portable DECT) 
PBX  Private Branch eXchange 
PLI  Park Length Indicator 
PSN  Portable Serial Number 
PUN  Portable User Number 
PUT  Portable User Type 
RFPI  Radio Fixed Park Identity 
RPN  Radio Port Number 
RSSI  Radio Signal Strength indicator 
RFP  Radio Fixed Part  
RTCP  Real Time Control Protocol  
RTP   Real Time Protocol  
SARI  Secondary ARI 
SNMP  Simple Network Management Protocol  
TFTP  Trivial File Transfer Protocol  
UAK  User Authentication Key 
UCT1  First-generation Central Processing Unit Card 
UCT2  Second-generation Central Processing Unit Card 
UCT3  Third-generation Central Processing Unit Card