VoIP ???

1
??
??????????
???????? ?????? ??? 95/6/01
2

• ??????IP??????

1. ??????IP??,???????????????,????????

1. ???????,?????????,????????????,??????????????

1. ????????????????????IP phone????????????

1. ??IP Trunk???????,???????????????,????????????

1. ?????????VPN,Routing Table,??????????????

1. ????????????????

3

• ??? IP-PBX??
• ?????????(??.??.????)???????????? ?
• ?????????(???.??.???)????????????????
• ????(????.?????.????)???????????,?????????????????
  ????????
• ??????????????(230?)??????.?????????????
• ?????????????????,?????????????????????????
  ????e-mail????
• ????????????????????????VOIP???

4
??

1. ????????
2. ????????
3. ???????
4. ???Nortel????????
5. ????????????
6. ????
7. ????

5
PSTN?? (????)
????????
??
?????
??????????,???? ????????????????. ????????? (???Qo
S??????????)
PSTN?? (????)
???ECS320
7XXX
????
????
PSTN?? (????)
???ECS320
Nortel ???
??
1XXXX
6XXX
6
PSTN?? (????)
??? ?????? ???? ???? ????? ????????
??
?????
PSTN?? (????)
???ECS320
722
????
????
??? 01 (?????) 11000
PSTN?? (????)
???ECS320
Nortel ???
??
??? 8 02 (????) 722
11000
6XX
7
PSTN?? (????)
???????? ??????????????????? ???????Nortel
Ac1????????? ??????????
??
?????
PSTN?? (????)
???ECS320
722
????
????
PSTN?? (????)
???ECS320
Nortel ???
??
11000
6XX
??? 8 11 (??) (????) or ?????? 0 04
xxxxxxx ????
??? 01 (?????) 11000
8
PSTN?? (????)
???Nortel?? VoIP Solution Media Gateway
Signaling Server ????????????
??
?????
PSTN?? (????)
???ECS320
7xx
????
????
PSTN?? (????)
???ECS320
??
1xxxx
6XX
9
??????????
???? ???????
????
?????
??
PC
????,????????,????????,???????,??????? ?????????
Euphony IP PBX ?????, ????VOIP IP???(IP-Share),
??????(DHCP Server), IP????(NAT),
???(Firewall), ??IP???DDNS), VPN ????
??????
????
????
??????
ISP 2M/256k
10
IP-PBX?VoIP G/W???
?? ??? Gateway
???? YES NO
???? YES NO
?? ?? ?? YES NO
???? YES NO
???? YES NO
???? YES NO
???? YES NO
??IP?? YES NO
???? G.729AB \ G.723.1 G.729AB \ G.723.1
??? YES NO
NAT YES NO
QoS YES NO
IP ??? YES NO
DHCP YES NO
???? CDR CAS-2000(?????) ????
11
????

• ??????????
• ECS320?????????
• ?1??,???????

. ????Nortel PBX ?? ???????
. ????????
12
??????????

• ????????( SUN NET Information Lim.)
• ?????????????????? ?
• ??????????????????????,
• ?????
• 1.?? NORTEL ? ??? ECS??????????????
• 2.Call Center???CTI(Computer Telephony
  Integration) ???
• 3.???????
• 4.KRONE/AVAYA??????
• 5.?????????????????????????
• ???????????????????,???????150???
• ??????????Callcenter??????
• ??????????????,??????????

13
?? ????