Private SIP ??????? VoIP??????? - PowerPoint PPT Presentation

About This Presentation
Title:

Private SIP ??????? VoIP???????

Description:

2003 3 15 Private SIP VoIP – PowerPoint PPT presentation

Number of Views:164
Avg rating:3.0/5.0
Slides: 21
Provided by: acjp
Category:
Tags: sip | voip | private

less

Transcript and Presenter's Notes

Title: Private SIP ??????? VoIP???????


1
Private SIP ???????VoIP???????
2003/3/15 ???????????? ???????
  • ???? ?????????
  • ????
  • ( hhat_at_isc.meiji.ac.jp )

2
????????????... ??!
  • VoIP Voice over Internet Protocol
  • SIP Session Initiation Protocol
  • ?Private SIP???????VoIP????????
  • ?
  • ?IP?????????????IP???? ?
  • ??????!?

3
VoIP??
  • 3???????

(http//www.isl.intec.co.jp/contents/proj/ifax/iph
one/iphone.htm ????)
PC (Windows Messenger)
VoIP???
IP??????
?????
?????/FAX
IP???
4
VoIP????
  1. ????IP????(???????VoIP????)???
  2. ????
  3. ??

133.26.208.75 (VoIP??5000)
??????
IP??????
VoIP??
VoIP??? (133.26.208.75)
5
VoIP???????
  • VoIP?????IP??????????!
  • VoIP???????
  • ? SIP (Session Initiation Protocol)???

VoIP???? IP????
050-1234-2051 133.26.208.97
050-1234-2052 133.26.208.71
050-1234-2053 133.26.208.88
6
1.VoIP?????
VoIP?? IP?????????
SIP???
2502 133.26.208.715060
2501 133.26.208.9710081
VoIP??
2503 133.26.208.8820081
2504 133.26.226.165060
2.OK
1.REGISTER From sip2502_at_misc-news.mind.meiji.ac
.jp Contact sip133.26.208.715060
VoIP??2504 IP133.26.226.16
VoIP??2501 IP133.26.208.97
VoIP??2502 IP133.26.208.71
VoIP??2503 IP133.26.208.88
7
2.VoIP???????
VoIP?? IP?????????
SIP???
2502 133.26.208.715060
2501 133.26.208.9710081
VoIP??
1.INVITE sip2502_at_misc-news.mind.meiji.ac.jp
From sip2501_at_misc-news.mind.meiji.ac.jp To
sip2502_at_misc-news.mind.meiji.ac.jp CALL-ID
DmxhDB837_at_133.26.208.97
2.INVITE sip2502_at_misc-news.mind.meiji.ac.jp
From sip2501_at_misc-news.mind.meiji.ac.jp To
sip2502_at_misc-news.mind.meiji.ac.jp CALL-ID
DmxhDB837_at_133.26.208.97
3. OK Contact sip2502_at_133.26.208.715060
4. OK Contact sip2502_at_133.26.208.715060
VoIP??2504 IP133.26.226.16
VoIP??2501 IP133.26.208.97
VoIP??2502 IP133.26.208.71
VoIP??2503 IP133.26.208.88
8
3.??
SIP???
VoIP??
????? (RTP - Real-Time Transport Protocol)
VoIP??2504 IP133.26.226.16
VoIP??2501 IP133.26.208.97
VoIP??2502 IP133.26.208.71
VoIP??2503 IP133.26.208.88
9
SIP??????
  • ??????
  • VoIP?????
  • VoIP??????(IP????)??
  • VoIP???????(On/Off)
  • (?????????????????????)
  • ???????????????
  • QoS(??????????)??????????
  • VoIP?????????(PSTN)????????????

10
SIP????????
  • ??????????????????
  • ???????
  • SIP???
  • SER - SIP Express Router http//www.iptel.org/ser
    /
  • IWU SipProxy http//www.mysip.ch/
  • IPPSTN???????VoiceMail?????
  • asterisk http//www.asteriskpbx.com/

11
?????
  • RTP (Realtime Transport Protocol)
  • UDP?????????????????
  • ??????
  • ???????????????
  • ??? (ITU??)
  • G.711 (????64Kbps)
  • G.723.1 (?????6.3Kbps)
  • ? ???????IP??????????G.711???

G.711 G.723.1 etc.
RTP/RTCP
UDP
IP
??????? ???
12
VoIP??(SIP??????)
  • IP??
  • 2?????????
  • VoIP????
  • ??? RT56v ??
  • PC??????
  • Windows Messenger
  • ??????...
  • Linux
  • linphone http//www.linphone.org/

13
????
  • SIP????????????????
  • VoIP??????????????
  • ?
  • VoIP?????????????
  • PC????(VoIP????)
  • ???(VoIP????)?PC
  • ???(VoIP????)????(VoIP????)
  • PC??????(VoIP????)

14
????
133.26.226.x (???,LAN10100Mbps)
133.26.136.x (??)
SIP???
100Mbps1Gbps
133.26.208.x (????)
misc-news.mind.meiji.ac.jp IP133.26.136.153
VoIP??2502 IP133.26.226.? (DHCP???????)
VoIP??2503 IP133.26.226.? (DHCP???????)
SunFire 280 (Solaris8) SER(Ver.0.8.10)
???RT-56v (VoIP???) ???
???Loox S8 Messenger(Ver.4.7)
VoIP??2501 IP133.26.208.97
VoIP??(SIP??????)
???RT-56v (VoIP???) ?????
15
????
  • ????????
  • G.711
  • 8KHz,8bit???
  • ???RT56v?CODEC?...
  • ????????????
  • 20msec, 160???
  • ????
  • 80Kbps (IP????)
  • 95,2Kbps (Ethernet????)
  • ????
  • ??????? (VoIP?????????)
  • PC(Messenger)???????????500msec?????
  • VoIP?????????????????????
  • ????????????????? (RT56v???)
  • ??????????(9.6Kbps, ?????)??????(????)

16
VoIP???????
  • ?????
  • ?????
  • VoIP???????
  • ????...
  • ???PBX???
  • ?????????
  • PBX?????????????????
  • IP???????
  • NTT-com 1000????1,277,000(??)

17
VoIP??????(??)?????????
  • ????????????
  • ???
  • QoS
  • ????????????
  • (???????????)
  • ??
  • (??)
  • ??????????????
  • ????
  • ??

???????
MIND
????????

?
????????
??????
18
?????????
  • FireWall Control Protocol
  • SIP???????????????
  • ???????????
  • ????????VoIP???????
  • OpenSource????????????????

19
??????
1.???SIP??????
SIP???
???????
OCN(???)
2.????
Ether(100M)
ADSL(12M,Acca)
MIND
??? Flashwave2040 (VoIP???ADSL???)
???Loox S8 Messenger(Ver.4.7)
???RT-56v (VoIP???) ???
VoIP??(SIP??????)
20
(??)??????
  • ????(ITU-T)
  • R?
  • ????
  • MOS?
  • ????
  • ?????
  • Atliza VoIP analizer
  • (http//www.artiza.co.jp/)

(http//www.soumu.go.jp/s-news/2001/011226_3_e.htm
l ????)
Write a Comment
User Comments (0)
About PowerShow.com