8. Appendix II Ab
Explana
lobal System of Mobile Co
breviations and
tion
GSM
G
mmunication
GPRS
G
et Radio Service
eneral Pack
SMS
Short Message Service
WAP Wireless
Application
Protocol
FDN
Fixed Dialing Numbers
SIM
Subscriber Identity Module
PIN
Personal Identification Number
PUK
Personal Unblocking Key
IMEI
International Mobile Equipment Identity
MCC Mobile
Country
Code
MNC
Mobile Network Code
Call
waiting
A service provided by the network, which allows
you to answer another incoming call without
interrupting the active call, but it is different from
conference call. You can only talk to one party while
another party is on hold at that time.
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