Training

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CTI?????
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• CTI ??????
• CTI?????
• ??????????

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CTI, Computer Telephone Integration
1.CTI ??????
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CTI????????????

•   ??????
• TTS??
• ??????

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2. CTI?????
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???????
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NII?GII
?????
Extranet
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Intranet
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?? / ????
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N-ISDN / PSTN
CPNoC
X.25???
? ? ?
I P ?
DDN
FRN
ATM?
??
SDH
???
????
TMN
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Voice ??? 64 Kbit/s ???(250ms) ???????10-3
??
Video ??? 100 Mbit/s ???( 250ms ) ???????10-3
??
Data ????? ???????10-8 ???(??)
??
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??
??????
?????
COM?? 64 kbit/s USB 1.0 ?? 10
Mbit/s IEEE 1394 ??100 Mbit/s (??)
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2.1 ??? Intelligent Networks
SMS
??????
PDN
DB
?????
SCP
SCE ?????? Service Creation
Environment SEAS ???????? Signaling Engineering
Administration Systems
CCSS No 7
SSP
STP
?????
?????
PSTN
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?????????? (PLMTS Public Land Mobile
Telecom System)
2.3 ????????IP
1
????????
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2
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FPLMTS IMT-2000
????????
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1G. ?? FDMA 2G. ?? TDMA GSM CDMA IS-95A
IS-95B 3G. ?? 4G. ??
??? ?????? ???? ???? ????
??? ???2Mb/s
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??? ???2 Mb/s

IMT-2000
TD-SCDMA
3G. ?? ??CDMA
20Mb/s -- 150 Mb/s
4G. ??
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??????(WAP)

• ??Internet,?HTTP / HTML?????
• ?????????????????CPU????????????
• ??Client/Server???

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CDMA??

• CDMA
• DSSS
• FSSS
• ????
• ???,??????????????????
• CDMA?????????????????????

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2.4 ???(Access Networks)

• xDSL????
• ADSL
• HDSL
• VDSL

• ????

• ???????

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• ??????
• 2Mbit/s ???Airline??
• LMDS ????????
• LMCS ????????
• MMDS ????????
• B-LAN ??????? (802.11b)
• HIPEX Access (??)25Mbit/s

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???

• ????? ChinaMail
• ?????? ChinaEDI
• ??????? ChinaFAX

???
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2.5 TMN(?????)

• ???? Configuration Management
• ???? Performance Management
• ???? Fault Management
• ???? Accounting Management
• ???? Security Management

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??????
Personal Operating Space
WAN
WAN-MAN
PAN
MAN
MAN-LAN
LAN-PAN
Pico-Cell
0km
50km
2km
10m
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2.6 Internet / Intranet

• ??? Internet__TCP/IP ???
• ?? ( Gateway )

???( Router )
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Internet ??
???
???
LAN
LAN
X.25PAC DDN FRN ATM SDH
PSTN
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???
Router
WAN
LAN
LAN
??
??

• ???
• X.25???
• ? DDN
• ? FRN
• ? ATM
• ? ???
• ? ???

??
??
1???????
? ??? ? ???? ? ???? ? ???
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?????
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CISCO 8540
?????
?????
CISCO 1924
HUB
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??????(1)Telnet(2)FTP(3)SMTP (??????)(4)WWW
(????)
?? ??
???
?3???
?? ??
??
LAN
LAN
?2???
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2.7 ??IP?????
???? ?? ??

• ?????????
• ????? ???
• ???? (Best-effort)

Internet
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(1)?????????????
(2)???????????????

• ?????

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??????(Soft-Switching)

• 1999??????????????????,???????????,??????????
• ??????????????????????????????NGN?????????????????
  ?????????????????

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????????????

• ??????? 1.6 Tbit/s (5-10 Tbit/s)
• ?????????????(OXC),??????(OADM)????????(ASON)

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3. ??????????
?? IXP
ISP Internet Service Provider
????????(?) 1998 SINA,???,????,????
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ISP???

• IAPInternet Access Provider ????????
• ICPInternet Content Provider ????????
  ( 1999 ) ? ?????????

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CTI, Computer Telecommunication Integration
??????? ???????????????????
?????????????(Computer Telephone
Integration)?????,?????? CT(Computer Telephony)
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IDC (???????)
????
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OAM
?? ? ??
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3COM Eric Benhamou
?????
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LAN/WAN???
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• ????EDI??
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• ???? E-Mail Voice-Mail
• ?????? EDI
• ????
• E-Business
• E-Commerce
• E-Service
• E

B2B B2C G2C
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X 100
(18-22)???????
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????EDI??

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????(??????)
Internet??ICC
??? ??????
??? ??????
??????(CC)
??? WICC
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CRM(??????)????????????????
SMS
MMS
?? ??
???????? ???? ?????????????? CRM?
?? ??
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???????
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????!
2002?10?