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1 /12 4/19 4/26 5/10 5/17 5/24 5/31 6/7 6/14 6/21 6/28 7/5 7/12 (1) (2) (1) (2) VoIP YahooBB TV YahooBBTV 3Mbps RealTime-NTT BB VoIP VoD YahooBBTV KDDI TV Sharecast VoIP H.323/SIP 1

2 VoIP ( PSTN(Public Switched Telephone Network) VoIP(Voice over Internet Protocol) VoIP(Voice Over IP) Yahoo BB Phone ADSL IP IP 2

3 IP IP : VoIP IP() PHS IP () VoIP ITU-T H.323 H.323 LAN " E.164 ITU-T E E

4 H.323 International Telecommunications Union (ITU) TCP/IP 4 H.323 (E.164 IPaddr) PSTNIP MCU Multipoint Control Unit Endpoints IP RTP/RTCP Gatekeepers endpoints zone (band width) IP zone Gateways Gateway zone Switched circuit Network 4

5 H.323 H.323(H.225) H.245 TCP H.225 Audio/Video* Q.931 RAS RTP+RTCP IP (PHY) UDP *) Audio: G.711, G.722, G728, G.723, G.729 Video: H261, H263 H.225 RAS Registration, Admission, and Status = port 1718 Q.931 = TCP port 1720 IP + TCP H.323 URL h323:@hostname h323:username@h323-nodename h323:username@h323-nodename:portnum H.323(H.245) H.245 /codec // RTP UDP 5

6 H.323 () SIP H.225 RAS *) PSTN GK H.323 Gatekeeper H.245 GK codec codec GK H.225 RAS H.323 VoIP SIP A H.245 RTP H.225 IP B SIP (Session Initiation Protocol) SDP SIP SIP DNS, LDAP 6

7 SIP-URL SIP SIP SIP-URL sip:<username>:<passwd> / <E.164>@<sip server hostname/ipaddr> *) E.164 ;user=phone SIP or <CRLF> SDP INVITE sip:taro@somewhere.com SIP/2.0 From : Hanako <sip:hanako@somewhere.com> To : Taro <sip:taro@somewhere.com> Call-ID : @hoge.somewhere.com Subject : test Content-Type : application/sdp SIP/ Trying From : Hanako <sip:hanako@somewhere.com> To : Taro <sip:taro@somewhere.com> Call-ID : @hoge.somewhere.com SDP(Session Description Protocol) SDP () () ( ) SDP SDP 1 v=0 2 o=taro IN IP4 hoge.somewhere.com 3 c=in IP4 hoge.somewhere.com 4 m=audio RTP/AVP 0 5 a=rtpmap : 0 PCMU/ m=video RTP/AVP 31 7 a=rtpmap : 31 H261/ SDP 0 2 taro SDP IP4 hoge.somewhere.com 3 IP4 hoge.somewhere.com 4 UDP49170 RTP/AVP PCM_u-law/8KHz 6 UDP51372 RTP/AVP H.261/9KHz 7

8 SIP INVITE sip: ACK 200 OK SIP hanako? hanako-pc *)hanako INVITE sip: 200 ACK OK SIP SIP Moved Temporarily hanako-pc IP

9 BBTV 4thMEDIA (Plala.TV on on 4thMEDIA) KDDITV ( 100) IP BBTV ( 100%) 24 ADSL(Yahoo BB!) MPEG2 IC IP IPv4 PIM-SM Plala.TV on 4thMEDIA KDDITV Ch.220 Ch.275 Ch.284 Ch.722( Ch.250 Ch.277 Ch.300( Ch.725 Ch.251( Ch.279 Ch.303( Ch.741 Ch.255( Ch.280 Ch.321 Ch.747( Ch.274( Ch.281 Ch.720 IP CS STB OKI Streaming Player MPEG4 ASP Level5 1.5Mbps 2Mbps ADSL MPEG2 4Mbps CAS KDDI 1Gbps 70Mbps VDSL() HomeGW() NEC ( ) KDDITV 6615 (TV) IP+QoS MPEG2 4Mbps :CDN STB Cisco12400 Catalyst for link/ html 9

10 Stream Navi () BROBA Mbps 10503Mbps WMT DRM (Digital Rights Management) can-d.com PONY CANYON MQ Open MGX MAGICLIP OpenMGX SONY 2002 DRM(Digital Rights Management) 10

11 MORRICH SONY MUSIC MORRICH PLAYER Internet Explorer, Flash, Windows Media Player PC One Day Vision One Day Vision Windows Media Player 9 Windows Media Player 9 (FAQ) 48 HOLLYWOOD PARTY MotionPro NTT-C Archstar MUSIC WMT + ATRAC3 ATRAC3 SONY WMTDRM BB WindowsMedia 11

12 Victor Sound Cafe 600kbps, 1Mbps WMT Web BB music.co.jp() NTT Foobio NTT Real Video 16 BB itunes Music Store WMT goo ID goo Apple Computer 1 99 itunes, ipod FairPlay 3Mac ipod CD-R/RW Mac Deauthorize, Mac Authorize itunes Music Site 12

13 Excite Music Store( e.co.jp/music/store/) WMT Mora( ) OpenMG JAL TV JAL Live NTT-EI() WMT 0_wmt.html Peercast MP3, OGG Vorbis, WMA, WMV, NSV P2P (Shoutcast etc.) 13

14 Sharecast P2P, KDDI () DRM DRM(WMT) WMT DRM / () 14

15 IP IP MPEG2,MPEG42Mbps 4Mbps QoS CDN STB TV BS MTV, TV CNBC 6000 (PC) CD 300/ 300kbps 3Mbps 1000 WMT Real(ex. BB) DRM (Windows ) ATRAC+OpenMG 15

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