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1 ENUM 1 ENUM (030602D)

2 2 ENUM (blank)

3 ENUM 3 1 ENUM IETF ENUM ITU-T ENUM ITU-T E.164 DNS E.164 URI ( ) ENUM ENUM ( ) ENUM ENUM ( ) ENUM IETF ENUM ITU-T IAB RIPE NCC ITU-T ENUM IP 050

4 4 ENUM ENUM ENUM ENUM ENUM ENUM

5 ENUM : ENUM ENUM ENUM ENUM ENUM ENUM (DNS URL DDDS )

6 6 ENUM ENUM ( )ITU IETF AUS Application Unique String - DDDS - URI (RFC3263) DDDS: Dynamic Delegation Discovery System - (RFC ) ENUM Telephone Number Mapping - E.164 URI DNS - RFC2916 IETF ITU-T (IETF ENUM WG charter) E ITU-T E.164 A 3 10 ( ) (ITU-T E.164 Supplement) - ITU-T E ( IP ) E E.164 (ITU-T E.164) 81 NAPTR: Naming Authority Pointer - URI

7 ENUM 7 DNS - RFC2915 DDDS RFC3403 (RFC2915 RFC3403) Number Portability - ( ) ENUM ( ) ENUM - ENUM SIP H.323 ENUM - ENUM - ENUM - ENUM IP -( ) IP IP -( )IP IP IP IP Tier0 - ENUM DNS IAB(Internet Architecture Board) e164.arpa Tier1

8 8 ENUM - E.164 ENUM DNS 1.8.e164.arpa Tier2 - NAPTR ENUM DNS - ENUM ENUM - ISP ENUM IP (Managed IP network) - IP ENUM - ENUM - DNS Domain Name System - ( IP ) EPP: Extensible Provisioning Protocol - GRRP XML GRRP : Generic Registry-Registrar Protocol Requirements -

9 ENUM 9 Informational RFC RFC3375 H ITU-T LAN IP IP network, IP based network - -IP IP - RTP: Realtime Transport Protocol - (RFC1889) SIP: Session Initiation Protocol - IETF LAN 1999 RFC RFC3261 SIP -IP SIP - SIP 3 : SIP

10 10 ENUM : SIP SIP ( ): UA (REGISTER ) SOA: Start Of Authority - ( ) TCP: Transmission Control Protocol - RFC793 TLS: Transport Layer Security protocol - TCP RFC Netscape SSL(Secure Socket Layer) IETF TRIP: Telephony Routing over IP - VoIP (= Next Hop Server) (=Attributes) (=ITAD:Internet Telephony Administrative Domain) (RFC3219) UDP: User Datagram Protocol - RFC768 URL:Uniform Resource Locator - ( ) (RFC1738)

11 ENUM 11 URI:Uniform Resource Identifiers - URL (RFC 2396) VoIP: Voice over IP - IP - DNS (RR) Resource Record - DNS ( ) NAPTR

12 12 ENUM 2 ENUM ENUM ITU-T E.164 DNS E.164 URI ENUM ( ) ( ) RFC IETF ENUM ENUM ENUM 2.1 ENUM " " ENUM 1) E ) + ENUM DDDS AUS(DDDS ) ) ) (".")

13 ENUM 13 5) ) ".e164.arpa" e164.arpa DNS NAPTR URI TLD e164.arpa RFC2916 ENUM ITU-T IETF NAPTR DNS $ORIGIN e164.arpa IN NAPTR "u" "E2U+sip" URI SIP NAPTR E2U+sip URI H.323 FAX WEB

14 14 ENUM DDDS (AUS) DNS URI (RFC3401 RFC3405) 1. AUS 2. DDDS 3. AUS 2 4. URI DDDS DNS NAPTR RFC3403 RFC3404 NAPTR IN NAPTR order preference flags service regexp replacement order 16bit (preference ) preference 16bit flags S A U P S: SRV A: A, AAAA U: URI P:

15 ENUM 15 : service [+ ] regexp ( ) replacement regexp NAPTR order order preference order preference order order service NAPTR NAPTR regexp AUS replacement regexp. NAPTR,ENUM SIP (RFC3263)

16 16 ENUM 2.2 DDDS ENUM ENUM DDDS DDDS ENUM E2U (Enum to URI) sip, h323, ifax, tel, enum, mailto, http. NAPTR service URI RFC2916bis RFC service URI RFC IANA service URI SIP E2U+sip H.323 E2U+h323 H.323 E2U+voice:h323 FAX E2U+ifax:mailto E2U+voice:tel tel: ;svc=voice FAX E2U+tel tel: ;svc=fax E2U+message:mailto WEB E2U+message:http ENUM + E.164 ENUM AUS e164.arpa ENUM NAPTR "u" DNS NAPTR ( ) (DDDS )

17 ENUM 17 $ORIGIN e164.arpa IN NAPTR "u" "E2U+sip" IN NAPTR "u" "E2U+message:mailto" IN NAPTR "u" "E2U+tel" "!ˆ(.*$)$!tel:\1!". SIP SMTP ( IP ) 3 NAPTR URI tel: SIP DNS sip:nnnn@sip-server.jp (nnnn 4 ) URI AUS nnnn $ORIGIN e164.arpa * IN NAPTR "u" "E2U+sip" "!ˆ (.*)$!sip:\1@35297.sip-server.jp!" sip:2311@35297.sip-server.jp DDDS URI E.164

18 18 ENUM 2.3 ENUM ENUM RFC : RFC2916(E.164 number and DNS) ENUM "The E.164 to URI DDDS Application" draft-ietf-enum-rfc2916bis-06.txt RFC2806(URLs for Telephone Calls) URI tel:, fax:, modem: "The tel URL for Telephone Calls" URI tel: draft-antti-enum-rfc2806bis-08.txt RFC3401 RFC3405(Dynamic Delegation Discovery System - DDDS). ENUM DNS NAPTR

19 ENUM 19 RFC 2141 URN Syntax. R. Moats. May (Format: TXT=14077 bytes) (Status: PROPOSED STANDARD) 2168 Resolution of Uniform Resource Identifiers using the Domain Name System. R. Daniel, M. Mealling. June (Format: TXT=46528 bytes) (Obsoleted by RFC3401, RFC3402, RFC3403, RFC3404) (Updated by RFC2915) (Status: EXPERIMENTAL) 2169 A Trivial Convention for using HTTP in URN Resolution. R. Daniel. June (Format: TXT=17763 bytes) (Status: EXPERIMENTAL) 2276 Architectural Principles of Uniform Resource Name Resolution. K. Sollins. January (Format: TXT=64811 bytes) (Updated by RFC3401) (Status: INFORMATIONAL) 2303 Minimal PSTN address format in Internet Mail. C. Allocchio. March (Format: TXT=14625 bytes) (Obsoleted by RFC3191) (Status: PROPOSED STANDARD) 2304 Minimal FAX address format in Internet Mail. C. Allocchio. March (Format: TXT=13236 bytes) (Obsoleted by RFC3192) (Status: PROPOSED STANDARD) 2396 Uniform Resource Identifiers (URI): Generic Syntax. T. Berners-Lee, R. Fielding, L. Masinter. August (Format: TXT=83639 bytes) (Updates RFC1808, RFC1738) (Status: DRAFT STANDARD) 2483 URI Resolution Services Necessary for URN Resolution. M. Mealling, R. Daniel. January (Format: TXT=30518 bytes) (Status: EXPERIMENTAL) 2806 URLs for Telephone Calls. A. Vaha-Sipila. April (Format: TXT=50647 bytes) (Status: PROPOSED STANDARD) 2915 The Naming Authority Pointer (NAPTR) DNS Resource Record. M. Mealling, R. Daniel. September (Format: TXT=41521 bytes) (Obsoleted by RFC3401, RFC3402, RFC3403, RFC3404) (Updates RFC2168) (Status: PROPOSED STANDARD) 2916 E.164 number and DNS. P. Faltstrom. September (Format: TXT=18159 bytes) (Status: PROPOSED STANDARD) 3191 Minimal GSTN address format in Internet Mail. C. Allocchio. October (Format: TXT=24235 bytes) (Obsoletes RFC2303) (Updates RFC2846) (Status: DRAFT STANDARD) 3192 Minimal FAX address format in Internet Mail. C. Allocchio. October (Format: TXT=18813 bytes) (Obsoletes RFC2304) (Updates RFC2846) (Status: DRAFT STANDARD) 3401 Dynamic Delegation Discovery System (DDDS) Part One: The Comprehensive DDDS. M. Mealling. October (Format: TXT=10172 bytes) (Obsoletes RFC2915, RFC2168) (Updates RFC2276) (Status: INFORMATIONAL) 3402 Dynamic Delegation Discovery System (DDDS) Part Two: The

20 20 ENUM Algorithm. M. Mealling. October (Format: TXT=38925 bytes) (Obsoletes RFC2915, RFC2168) (Status: PROPOSED STANDARD) 3403 Dynamic Delegation Discovery System (DDDS) Part Three: The Domain Name System (DNS) Database. M. Mealling. October (Format: TXT=31058 bytes) (Obsoletes RFC2915, RFC2168) (Status: PROPOSED STANDARD) 3404 Dynamic Delegation Discovery System (DDDS) Part Four: The Uniform Resource Identifiers (URI). M. Mealling. October (Format: TXT=40124 bytes) (Obsoletes RFC2915, RFC2168) (Status: PROPOSED STANDARD) 3405 Dynamic Delegation Discovery System (DDDS) Part Five: URI.ARPA Assignment Procedures. M. Mealling. October (Format: TXT=19469 bytes) (Also BCP0065) (Status: BEST CURRENT PRACTICE)

21 ENUM ENUM Tier DNS ENUM Tier DNS Tier 81 Tier0 Tier1 1.8.e164.arpa Tier1 Tier2 (1) ( ) ( ABCDE) IP 050-CDEF Tier1 Tier2 ( 2.2(3)) Tier1/Tier2 Tier2 ENUM Tier2 DNS NAPTR Tier2 NS (2) Tier1

22 22 ENUM Tier2 NAPTR Tier1 ( 2-1(1)) Tier2 NS Tier1 Tier2 ( 2-1(2)) 2-1(1) Tier1 Tier1 2-1(2) Tier2 Tier2 (3) Tier1 Tier1 Tier1 ( 2.2(4)) IP Tier1 Tier1 ( : 0A0( ) 0AB0( ) 03 A 0ABC C Tier1 )

23 ENUM 23 Tier 2.1 e164.arpa. e164.arpa. Tier0 Tier0 1.8.e164.arpa. 1.8.e164.arpa. Tier1 Tier1 TN Tier2 TN : NS Record : NAPTR Record (1) (2) (enum-fig-04.obj)

24 24 ENUM Tier 2.2 e164.arpa. e164.arpa. Tier0 Tier0 1.8.e164.arpa. 1.8.e164.arpa. Tier1 Tier xxxx 050yyyy 03xxxx 050xxxx 050yyyy 03xxxx Tier2 Tier2 TN TN (3) (4) : NS Record : NAPTR Record (enum-fig-05.obj)

25 ENUM ENUM DNS Tier ENUM ENUM DNS DNS ENUM gtld cctld (.jp) DNS DNS IETF PROVREG WG GRRP(Generic Registry Registrar Protocol) RFC3375 GRRP EPP(Extensible Provisioning Protocol) EPP EPP XML login logout EPP

26 26 ENUM login logout check info poll create delete transfer update EPP EPP queue ( ) draft-ietf-provreg-epp-09.txt EPP TCP(TLS) BEEP SOAP MAIL draft-ietf-provreg-epp-tcp-06.txt draft-ietf-provreg-epp-beep-03.txt draft-liu-epp-soap-00.txt draft-brunner-epp-smtp-00.txt draft-ietf-provreg-epp-domain-07.txt draft-ietf-provreg-epp-host-07.txt draft-ietf-provreg-epp-contact-07.txt ENUM draft-ietf-enum-epp-e txt gtld ENUM

27 ENUM 27 E.164 NAPTR Tier1, Tier2

28 28 ENUM 2.5 ENUM IETF TCP/IP IAB RFC Status ENUM-WG ITU IP ENUM RFC (RFC2916) ENUM RFC2916 RFC draft-ietf-enum-rfc2916bis-06.txt URL (IETF) (Telephone Number Mapping (enum) WG)

29 ENUM ITU 3 WTPF: World Telecommunication Policy Forum 2001 IP Status ITU-T IP IETF 10 ITU-T SG2 WP1 ENUM DNS E ENUM 1 9 ITU-T SG ENUM Supplement URL (ITU) (ITU ENUM)

30 30 ENUM ENUM Forum e164.arpa( ) E.164 DNS RFC2916 NANP(North American Numbering Plan) Status Tier1 Tier2 Unified Document URL (ENUM Forum) (The ENUM Forum - Documents)

31 ENUM UKEG ENUM DTI( ) Status ENUM Preliminary Report Trial URL (DTI ENUM) (UKEG Preliminary Report on ENUM April 02) (ENUM )

32 32 ENUM ETSI ITU ( ) EN( ) ETS( ) Status TIPHON(Telecommunications and Internet Protocol Harmonization Over Networks) IP ENUM URL (ETSI) (TIPHON) (TIPHON Portal Site)

33 ENUM ENUM RIPE NCC. e164.arpa (RIPE) (ITU-T)

34 34 ENUM E Diego Garcia Government 02/08/ Ascension Government 02/08/ Saint Helena Government 02/08/12 31 Netherlands Ministry 02/05/23 33 France DiGITIP(Government) 03/02/ Finland Finnish Communications 03/02/26 Regulatory Authority 36 Hungary CHIP/IszT 02/07/15 40 Romania MinCom 03/02/26 43 Austria Regulator 02/06/11 44 UK DTI/Nominum 02/05/16 46 Sweden NPTA 02/12/10 48 Poland NASK 02/07/18 49 Germany DENIC 02/05/16 55 Brazil Brazilian Internet Registry 02/07/19 86 China (c) CNNIC 02/09/ (a) VISIONng 02/05/ United Arab Etisalat 03/01/ (b) NeuStar 01/02/02 (a) UPT (UPT:Universal Personal Telephony) (b) (c)

35 ENUM ENUM ITU-T ENUM ˆ Š ªž ³' ˆ Ž ˆ ˆ œ œ Š ˆ Š Ž ˆ ˆ ˆ Š Ž ˆ ˆ ªž ³' ªž ul}n^³' ªž ³' ªž ³' ªž ³' îï ªž ³' œ Pj œ ÆÅž¼Æ œ žæš îï œ žª š so»å èþ^îöß é Úz so»åèvþ^îöß èr Öß éé Úz Š1 ÚzUá èmoé «À¼É»Å œ Yj}vp{b èþ^îöß é Úz «À¼Éˆ ª»Å œ Yj}vp{b îï œ Pj ô èvþ^îöß é «À¼É 1 ª.PN ô ƒ~ œ_

36 36 ENUM 3. ENUM ENUM ENUM ENUM ENUM E.164 (E.164 ) ENUM ENUM ENUM ENUM : ENUM ENUM UKEG ENUM ENUM ENUM ENUM IETF UKEG ENUM Forum ENUM ENUM IP ENUM IP IP ENUM ENUM ENUM ENUM ENUM E.164 DNS ENUM DNS

37 ENUM 37 ENUM DNS ENUM ( ) DNS ENUM ( ) DNS ENUM ENUM ENUM

38 38 ENUM 3.1 ENUM ENUM ENUM ENUM - E.164 (E.164 ) - E E.164 (WEB ) - E.164 ENUM E ENUM - (opt-in) DNS (Tier )

39 ENUM E.164 URI ENUM E.164 ENUM E.164 ENUM E ENUM ENUM

40 40 ENUM

41 ENUM ENUM IP E.164 IP ENUM ENUM E.164 IP ENUM ENUM ENUM ENUM ENUM IP - - DNS ENUM -

42 42 ENUM ( DNS ) DNS (Tier ) - - / - ( DNS ) -

43 ENUM ENUM ENUM ( ) ( ) URI URI URI SIP/H323/TEL ENUM DNS /

44 44 ENUM ( ) ENUM ENUM opt-in DNS / Tier 2.1(2) 2.2(3) > 2.2(4) > 2.1(2) ENUM

45 ENUM 45 ( ) ENUM ENUM RR/URI ( ) ( ) ( ) ( ) / ( ) ( ) ( / ) (= ) = (ex. )

46 46 ENUM ( ) ENUM ENUM WHOIS/ / ( ) WEB EPP ( ) ( )

47 ENUM ENUM ( ) ENUM ENUM : (1) E.164 (2) (3) (4) ( IP ) (1) ENUM (4) ENUM (2) (3) ENUM ENUM

48 48 ENUM (1) E.164 ENUM E.164 E.164 E.164 (E.164 ) A NAPTR B E.164 B A WWW

49 ENUM 49 User-A Tel IP Tel Web Mail SIP ENUM SIP HTTP SMTP (3) (3) (3) (3) (2) (1) tel: sip: http: mailto: fig1.esp User-B (1) ENUM DNS (2) ENUM DNS (3)

50 50 ENUM (2) URI E.164 ENUM E.164 URI NAPTR DNS IP DNS E.164, IP SIP, SIP URI, URI ENUM (2) (3) (1) G (4) (4) SIP SIP fig2.esp (1) IP (2) ENUM DNS (3) ENUM DNS (4) SIP ENUM E.164 SIP ENUM ENUM SIP H.323 H.323 URI

51 ENUM 51 (3) ENUM ENUM (2) ENUM URI tel: IP ( sip:) tel: URI tel: ENUM URI IP SIP URI SIP SIP

52 52 ENUM ENUM G SIP G SIP (3) (3) (3) (2) (1) tel: sip: fig3.esp (1) ENUM DNS (2) ENUM DNS (3). TRIP NAPTR ( NAPTR )

53 ENUM 53 (4) ( IP ) ENUM E.164 ENUM IP IP ENUM ENUM G R PSTN G PSTN G ISP G Managed IP Network G G fig4.eps ( ) UPT ( ) ENUM ( ) ENUM

54 54 ENUM 5. SIP SIP ENUM SIP SIP SIP ENUM SIP ENUM IETF Sipping(Session Initiation Proposal Investigation) 5.1 SIP Session Initiation Protocol(SIP) ( SIP UA) RFC3261 SIP SIP RTP(Realtime Transport Protocol, RFC1889) SIP UA SIP SIP SIP ( SIP ) SIP SIP UA SIP SIP URI

55 ENUM 55 : DNS SIP 3 5 RTP 8 SIP 7 1 SIP SIP UA SIP UA sip-00 : SIP UA SIP UA 1) SIP UA SIP REGISTER SIP UA SIP URI ( Address-of-Record, AoR) SIP UA SIP URI SIP 2) SIP 1) (SIP ) SIP UA ( 1 ) SIP UA SIP UA (INVITE )

56 56 ENUM 3) SIP UA SIP INVITE SIP URI (AoR) 4) SIP SIP URI DNS SIP IP 5) SIP INVITE 6) SIP SIP URI SIP UA 7) SIP UA INVITE SIP UA INVITE SIP UA SIP UA ACK 8) RTP ( ) 4 :

57 ENUM 57 SIP UA SIP SIP SIP UA INVITE 100 Trying 180 Ringing 200 OK INVITE 100 Trying 180 Ringing 200 OK INVITE 180 Ringing 200 OK ACK BYE 200 OK sip-01

58 58 ENUM 5.2 SIP URI SIP SIP URI SIP URI (RFC2363) example.co.jp taro SIP SIP URI SIP RFC3263 Session Initiation Protocol (SIP): Locating SIP Servers SIP SIP URI DNS NAPTR SRV A AAAA SIP IP sip:taro@example.co.jp example.co.jp NAPTR DNS : ; order pref flags service regexp replacement IN NAPTR "s" "SIPS+D2T" "" _sips._tcp.example.co.jp. IN NAPTR "s" "SIP+D2T" "" _sip._tcp.example.co.jp. IN NAPTR "s" "SIP+D2U" "" _sip._udp.example.co.jp. TCP TLS TCP UDP SIP TCP UDP TCP _sip._tcp.example.co.jp SRV : ;; Priority Weight Port Target

59 ENUM 59 IN SRV server1.example.co.jp. IN SRV server2.example.co.jp. SIP DNS A AAAA server1.example.co.jp server2.example.co.jp IP 5.3 SIP ENUM ENUM SIP SIP SIP SIP ENUM NAPTR DNS SIP URI SIP URI SIP UA SIP SIP SIP SIP URI(tel: ) SIP SIP URI SIP ENUM NAPTR DNS SIP URI SIP URI SIP UA SIP SIP SIP

60 60 ENUM IETF draft-ietf-sipping-e txt SIP SIP UA SIP URI SIP ENUM DNS

61 ENUM 61 SIP DNS e164.arpa IN NAPTR "u" "E2U+sip" INVITE SIP nic.ad.jp IN NAPTR "s" "SIP+D2U"? "" _sip._udp.nic.ad.jp. _sip._udp.nic.ad.jp? IN SRV sipserver.nic.ad.jp. sipserver.nic.ad.jp IN A ? INVITE sip:info@nic.ad.jp SIP sipserver.nic.ad.jp ? info@nic.ad.jp sip:info@sipinfo.nic.ad.jp sipinfo.nic.ad.jp IN A ? INVITE sip:info@sipinfo.nic.ad.jp SIP UA sipinfo.nic.ad.jp

62 62 ENUM 6. ENUM ENUM ITU-T 6.1 ITU-T ITU-T ENUM ENUM ITU-T ( ) DNS ( )

63 ENUM 63 ITU-T SG2 National ENUM Suppliment Tier0, Tier1, Tier2 14 ( 2 ) 2-2 ENUM ITU-T SG2 7 Tier1 Tier2

64 64 ENUM 6.2 DNS Tier0 DNS IAB (RIPE NCC ) Tier0 Registry ITU-T Tier0 Registrar 1.8.e164.arpa Tier1 DNS 3 ) Tier1 Registry 3) Tier1 Registrar x.x.x.1.8.e164.arpa 2) Tier2 DNS 2 ) Tier2 Registry 2) Tier2 Registrar 1) 1) Tier2 2) ( ) Tier2 Tier2 Tier2 (Tier1 )Tier1

65 ENUM 65 2 ) Tier2 Tier2 DNS 3) Tier1 Tier1 3 ) Tier1 Tier1 DNS 6.3 Tier2 E.164 Tier1 (Tier2 ) NS Tier2 Tier2 E.164 NAPTR Tier1

66 66 ENUM 6.4 ENUM DNS DNS WHOIS : DNS WHOIS E164 Tier2 / NAPTR Tier2 / Tier2 / - Tier2 / - Tier2 - Tier ) Tier ) Tier2 NS-RR Tier1 / Tier2 / Tier2 Tier1 / - Tier1 / - Tier ) 1) 2) Tier2

67 ENUM E.164 ENUM ENUM E.164 ENUM ( )

68 68 ENUM Tier2 Tier2 DNS Tier2 Tier1 DNS Tier1 Registry Tier1 Registrar Tier2 DNS Tier2 Registry Tier2 Registrar regpolicya0 ( )

69 ENUM 69 Tier2 Tier2 DNS Tier1 DNS Tier1 Registry Tier1 Registrar Tier2 DNS Tier2 Registry Tier2 Registrar regpolicya1 ( )

70 70 ENUM Tier2 / Tier1 DNS Tier1 Registry Tier1 Registrar Tier2 DNS Tier2 Registry Tier2 Registrar regpolicya2 ( ) ISP Tier2

71 ENUM ENUM ENUM E.164 Tier1 DNS Tier1 Registry Tier1 Registrar Tier2 DNS Tier2 Registry Tier2 Registrar

72 72 ENUM ( ) ( ) Tier2 Registry ( ) ( ) ( ) Tier2 Registry ( )

73 ENUM E.164 ENUM ENUM : ENUM : ENUM : TEL URI MAILTO URI : sip SIP : TEL URI SIP URI

74 74 ENUM ENUM ENUM ENUM ENUM 3 : (1) DNS NAPTR (2) WHOIS WHOIS (3) / NAPTR DNS WHOIS WHOIS - -

75 ENUM 75 ENUM DNS DNS NAPTR URI mailto: aci2hnwz NAPTR aci2hnwz yamada E.164 WHOIS WHOIS ICANN

76 76 ENUM 7.2 DNS ENUM E.164 DNS E.164 DNS ENUM DNS DNS ENUM BIND IP (ACL) DNS DNS ENUM(DNS) URI URI URI (SIP )

77 ENUM ENUM DNS ENUM ENUM DNS ENUM ENUM ENUM DOS( ) DNS - DNS DNS - DNS DNS DOS( ) ENUM - - ( )

78 78 ENUM DOS( ) - -

79 ENUM ENUM ENUM NAPTR URI ENUM DNS DNS NAPTR WHOIS DNS WHOIS ENUM

80 80 ENUM SIP DOS( ) DOS DNS DOS DNS DNS DNSSEC TSIG ENUM DNS DNSSEC TSIG DNS : DNS DNS DNS ID ID DNS DNS

81 ENUM 81 Cache Poisoning DNS DOS( ) DNS DNS ENUM ENUM ENUM (SIP H323 ) ENUM SIP SIP UA SIP TLS RTP IP Sec S/MIME PGP DNS IP ISP

82 82 ENUM ( ) ENUM. DOS( ) DOS ISP ENUM

83 ENUM 83

84 84 ENUM 7.4 ENUM (availability) DNS : ( ) DOS( ) ( ) ENUM DNS ENUM DNS ( )

85 ENUM DNS DNS DNS DNS DNS DNS 10 IP AS

86 86 ENUM ENUM ENUM 1 ENUM ENUM ENUM ENUM ENUM ENUM E.164 DNS IETF ITU-T IP IP ENUM IP IP ENUM ENUM E.164 ENUM ENUM ENUM

87 ENUM 87 Appendix A. A.1 0ABCDEFGHJ - - FGHJ ABCDE - 0AB-J 050CDEFGHJK - 0AB-J - GHJK CDEF -IP ( ) - 070CDEFGHJK - PHS - GHJK CDEF

88 88 ENUM 080CDEFGHJK 090CDEFGHJK - - FGHJK CDE 0120DEFGHJ 0570DEFGHJ A.2 ENUM NAPTR URI URI ENUM A.3 ( )

89 ENUM 89 / / A.4 ENUM ENUM ENUM ENUM ENUM A.5 ENUM : a) b) c)

90 90 ENUM ENUM DNS DNS E.164 ENUM ENUM e164.arpa. ENUM

91 ENUM 91 ENUM ( ) ( ) NTT ( ) ( ) KDDI( ) JENS( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( )

92 92 ENUM ( )

93 ENUM 93 (blank)

janog12enum _fujiwara.PDF

janog12enum _fujiwara.PDF ENUM 2003 7 25 JANOG12 fujiwara@jprs.co.jp ENUM ENUM WIDE Project ENUM WG ENUM Telephone Number Mapping) ENUM = URI DNS 03-5297-2571 (JPRS) E.164 +81-3-5297-2571 ENUM 1.7.5.2.7.9.2.5.3.1.8.e164.arpa URI