1. TTC’s Activities on NGN TTC/NGN Advisory Group GSC9, Seoul SOURCE:TTC TITLE:TTC’s Activities on NGN AGENDA ITEM:5 CONTACT:Kazunori MATSUO, ka-matsuo@kddi.com, +81-3-6678-2474ka-matsuo@kddi.com GSC9/GTSC-018

2. GSC9, Seoul Internet Access Status in Japan  Accesses February 2004 From a year ago February 2004 From a year ago  Dial up (PSTN): 18,995,000 (8% down )  Broadband & Mobile: ADSL 10,904,236 (65% up ) ADSL 10,904,236 (65% up ) FTTH 1,042,776 (296% up) FTTH 1,042,776 (296% up) CATV 2,546,000 (26% up) CATV 2,546,000 (26% up) Mobile 68,707,000 (13% up) Mobile 68,707,000 (13% up) Population in JAPAN 127million(as of April 2004) Population in JAPAN 127million(as of April 2004)

3. GSC9, Seoul VoIP Services in Japan  Consumer level service VoIP as an optional service of ADSL : Free among the same ISP subscribers, : \7.5 – 8 / 3m throughout Japan among different ISP subscribers VoIP over Managed Network : Fusion IP Phone \20 /3m throughout Japan  Company level service - VoIP PBX - IP Centrex - VPN  IP Phone specific E.164 number - 050 came to be effective (October 23, 2003) 0AB-J number(the same E.164 number range as normal PSTN phone) can be assigned for the service satisfying specific QoS conditions 0AB-J number(the same E.164 number range as normal PSTN phone) can be assigned for the service satisfying specific QoS conditions

4. GSC9, Seoul Service Provider (thousand) NTT Communications 5,000 Soft Bank Group 2,800 KDDI/Japan Telecom/Powered Com 2,500 Fusion Communications Not announced NTT-ME 100 Plala Networks 100 Total 10,500 Number of Subscribers with VoIP Function (As of September 2003) Source: Asahi Newspaper (September 17, 2003)

5. GSC9, Seoul WGs Studying NGN-related Technologies (1)  BB & IP-based Network Upstream WG  BB & IP-based Network Upstream WG  ITU Upstream ： International Standardization Activities on Broadband & IP based network  IP Telephony ： Coordination with other SDOs on IP Telephony - Activities on TIPHON, TISPAN  IP Telephony ： Coordination with other SDOs on IP Telephony - Activities on TIPHON, TISPAN  Signaling WG  Signaling WG  SWG2 - MEGACO ： Activities on ITU-T SG16, IETF MegacoWG, JT-H248.1 Revision Revision  SWG3 - SIP ： TS on SIP-ISUP inter-works  Network Management WG  O&M on Telecommunication network SWG ：  O&M on Telecommunication network SWG ： Activities on NGN Network Management Technology(2004) Activities on NGN Network Management Technology(2004)  IP Phone Speech Quality Evaluation SWG ：

6. GSC9, Seoul WGs Studying NGN-related Technologies (2)  Multimedia Platform WG  H.323 Networking SWG ： H.323 Security SWG ： H.323 Mobility SWG ： H.323 QoS SWG ： H.323 System SWG ： - Cooperation with AVS Upstream WG - Cooperation with AVS Upstream WG  IP-based IMT Platform WG  All IP-NW Standardization(3GPP)  NW-vision, capability requirements, architecture  Enterprise Network WG  Enterprise Network Interface SWG ： Activities on IP-QSIG  CTI/F SWG ： Activities on CSTA (Services for Computer Supported Telecommunications Applications) Telecommunications Applications)

7. GSC9, Seoul NGN-Related Standardization at TTC JT-H248.1 Media Gateway Control Protocol （ MEGACO) JT-H248.1 Media Gateway Control Protocol （ MEGACO) JT-H323 Packet Based Multimedia Communications Systems JT-H323 Packet Based Multimedia Communications Systems JT-H450.xx JT-H323 Related (LAN) JT-H450.xx JT-H323 Related (LAN) JJ-201.01 A method for Speech Quality Assessment of IP Telephony JJ-201.01 A method for Speech Quality Assessment of IP Telephony TS-1002 Technical Specification on SIP to TTC ISUP Inter-working TS-1002 Technical Specification on SIP to TTC ISUP Inter-working TS-1003 Specification on Interconnection of SIP Networks TS-1003 Specification on Interconnection of SIP Networks TS-1004 Specification on Network Asserted User Identity Information Transferring through SIP Networks TS-1004 Specification on Network Asserted User Identity Information Transferring through SIP Networks

8. GSC9, Seoul NGN-related Survey/Reports in TTC March 2002 NGN Study Report 1 by TTC March 2003 NGN Study Report 2 by TTC August 2003 NGN Study AG Formed - consisting of TTC members; - consisting of TTC members; - studies activities in SDOs/Fora including ITU-T, ETSI, ANSI, T1 and ISOC; - studies activities in SDOs/Fora including ITU-T, ETSI, ANSI, T1 and ISOC; - recommends standardization strategies by March 2004. - recommends standardization strategies by March 2004.

9. GSC9, Seoul Report of TTC NGN Study AG(1) Recognizing ITU-T is developing NGN architecture related recommendations under the NGN-2004 project; ITU-T is developing NGN architecture related recommendations under the NGN-2004 project; NGN architecture references IMS of 3GPP which may lead the way to FMC realization; NGN architecture references IMS of 3GPP which may lead the way to FMC realization; ITU-T SSG will study the relation between IMT-2000 and beyond and NGN in the next study period; ITU-T SSG will study the relation between IMT-2000 and beyond and NGN in the next study period; Regional/National SDOs have also started the study: TISPAN of ETSI Telecommunication Network Committee of TTA VoIP signalling by ATIS/T1 Regional/National SDOs have also started the study: TISPAN of ETSI Telecommunication Network Committee of TTA VoIP signalling by ATIS/T1

10. GSC9, Seoul Report of TTC NGN Study AG(2) Recommends TTC to expand the existing NGN Study AG to include chairman of NGN related working groups, e.g., architecture, signalling, network management, multimedia and IP-based IMT Platform(3GPP & 3GPP2) WGs ; TTC to expand the existing NGN Study AG to include chairman of NGN related working groups, e.g., architecture, signalling, network management, multimedia and IP-based IMT Platform(3GPP & 3GPP2) WGs ; to continue the survey of NGN related activities of ITU-T, Regional/National SDOs and Fora; to continue the survey of NGN related activities of ITU-T, Regional/National SDOs and Fora; and to propose the NGN standardization strategy to TTC Strategy Committee(SC). and to propose the NGN standardization strategy to TTC Strategy Committee(SC).