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1?? ???????????????______??______??______??______??
2?? 3G???????????________??________??______??
3?? ??????????????????HTTPЭ?飬???????????????_____Э???????
4?? ???Web pages??????HTML?? ______ ???? _______??????
5?? Smart Messaging?????????????????______??_______??______??_______??_______??
6?? ????????PIN?????????????PIN?????????????????__??PIN???SIM??????????????????????磬??????????______??????_____?δ??????SIM????????????????????SIM?????????ò??????
7?? PUK2??????????______???
8?? IPv4??????????______λ??IPv6??????????_____λ??
9?? ???????С???????????????????????????GPRS??EDGE??WCDMA??CSD??HSCSD??BT??WLAN?????У?_______??______??_________??_______??_______??_______??______??
10?? GPRS?????????????_________bps????EDGE???????????GPRS??_______????????_____bps??
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11?? ???????????д??????????
CBS??
FDN??
SDN??
SIM PD??
SMIL??
SIM ATK??
USSD??
VPN??
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GSM??
GPRS??
CSD??
WLAN??
PTT??
RTC??
CLI??
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12?? IM?????????????Щ??????????4???
13?? Multiple PDP Contexts??????????????????4???
14?? ???????й???????繃???У?????????????????У????? ????2???
15?? ??????????????????????4???
16?? IMSI??IMEI???????????4???
17?? ????Local Sync??Remote Sync??????5???
18?? ?????????е?????б???????5???
19?? ??????????飬??????????????5???
20?? DRM??????????Щ???????????????7???
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