Update from Taiwan SIP/ENUM Trial. By Dr. S.S. Tseng Ching Chiao (TWNIC) and Acer Hsu (CCL) th ETJP Meeting, Waseda University
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1 Update from Taiwan SIP/ENUM Trial By Dr. S.S. Tseng Ching Chiao (TWNIC) and Acer Hsu (CCL) th ETJP Meeting, Waseda University
2 Agenda Taiwan SIP/ENUM Trial Status 24 Plan for Taiwan SIP/ENUM Trial Deployment Plan New Services Issues & Challenges 2
3 SIP/ENUM Trial Mile Stone Completion of SIP/ENUM trial system v1. SIP Proxy Server / PCA 23.8 Media server added Voice message and Voice as attachment in Numbering and administration plan determined Number block (1~1, numbers per block) assignment by administrator Number selection by user Regional-based application and authentication 23.1 ~ 12 Implementing PSTN interconnection (Softswitch) APOL (TSP) / Sparq (TSP) 24.1 PSTN interconnection completed and opened 25 min per user per month Local, Domestic Long Distance and Mobile numbers 24.2 ~ 4 Large scale promotion on university campuses 24.5 Trial (v1.5) moved forward to 2nd year beyond schedule Trial system v2.; new services (MMS, Enum-enabled ) 3
4 Taiwan SIP/ENUM Trial Status
5 Project Management Project Management Project Leader :Dr. S.S. Tseng President, TWNIC Co-leader : Dr. S.L. Chou Director, CCL Secretariat Project Planning E.164 & ENUM Number Management Service Provisioning Technical Development & Supporting CCL Secretariat TWNIC TANet(MOECC) CCL 5
6 23 Trial System Architecture NCTU/NTHU/NTU TWNIC Tier 1 NS Softphone Softphone (944-xxxxx) ISP SIP Proxy Tier 2 NS IP PBX IP Phone Gateway NBEN IP PBX CCL/ITRI Softphone LEC pbx Signaling Gateway PSTN Trunk Gateway Softswitch (MGC) SIP Proxy Media Server Softswitch (MGC)) (Voice Mail) Signaling Gateway Taipei Operator (APOL) Trunk Gateway MSC/MMSC Cellular Hsinchu Operator (Sparq)
7 1. Softphone Softphone 2. Softphone PSTN 3. Softphone Voice Mail Services in 23 SIP/ENUM Trial Tier 1 NS TWNIC NCTU/NTHU/NTU Softphone Softphone (944-xxxxx) ISP (IPv4/6) SIP Proxy IPv6-IPv4 Gateway Tier 2 NS IP PBX TANet/NBEN IP PBX CCL/ITRI IP Phone Softhone LEC pbx Signaling Gateway PSTN Trunk Gateway Taipei Operator (944-xxxxx) Softswitc h (MGC) SIP Proxy Media Server Softswitc h (MGC)) Trunk Gateway Signaling Gateway PSTN LEC PBX Hsinchu Operator (944-xxxxx)
8 Services in 23 SIP/ENUM Trial (cont.) Registrar Web-portal Numbering Plan Number Registration IP to IP VoIP Service SIP Based VoIP Solution Proxy Server + Deploy Server + PCA IP to PSTN VoIP Service Proxy Server + Routing Rules Extension Softswitch MGC + SG + TG(CISCO 53) 6 incoming calls simultaneous IP to Voice Mail Service 8
9 23 SIP/ENUM Deployed Equipments NCTU Computer Center Register Authentication Service Control Center Tier1 ENUM Server * 1 (TWNIC) Tier2 ENUM Server * 2 (TWNIC) NTU SIP UA SIP Proxy Server *1 (CCL) Deploy Server *1 (CCL) NSYSU SIP UA NCCU SIP UA TANet Media Server *1 (CCL) TSP NCKU SIP UA APOL(TSP) Taipei CO E1 *1 Support Call to Mobile MGC + SG *1 CCL Sparq(TSP) Hsinchu CO TG *1 (CISCO) E1 *1 Support Long Distance Call MGC + SG *1 CCL TG *1 (CISCO)
10 Taiwan SIP/ ENUM Trial Service Web Portal Numbering Application Org. Info Admin. Guideline Log-in Download PCA Maintain User Record Maintain NAPTR Query ENUM Whois ENUM NAPTR Call Log Enum Trial Documentation Enum System Documentation 1
11 Registrar, Authentication, Validation Number Management Number Allocation Users Apply and Pick # Admin Approval Modify NAPTR Download & Install PCA Number Activate Create NAPTR Server Registration Registry, Web-Portal ENUM Query, Resolution Application Service Provider 11
12 Taiwan SIP/ENUM Trial Deployment Status ~
13 CHT (HiNet/TL) Reserved 2, 8, ~91xxx ~99xxx TCA SIP/Enum Forum IPOX TCA 1, ~89xxx Sparq Reserved 2, 8, ~71xxx ~79xxx Reserved 1, ~61xxx APOL (APTG) Reserved 2, 8, ~51xxx ~59xxx CCL Reserved 1, 9, xxxx ~49xxx NICI DGT ( ) TCA TWNIC xx ~33xx ~36xx xx xx NTPO(NBEN) Reserved 1, 9, xxx ~29xxx TANet 2, 944-xxxx 944-1xxxx
14 14 Number Allocation and Issuance ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( )
15 15 Distribution of New Registrants sum Total East South Central North Month (Have registered to Proxy Server)
16 Monthly Calls Month SUM Number of Calls
17 Month Sum of Total Calls by Month Time seconds minutes hours :25:55 ~ :53: :41:41 ~ :18: :5:31 ~ :25: :57:51 ~ :4: :15:27 ~ :12: :52:3 ~ :35: :24:47 ~ :41: :15:1 ~ :5: :34:4 ~ :48: :5:58 ~ :51: sum
18 Call Distribution per 3-Hour Time Number of calls Total duration (sec) Total duration (min) Total duration (hr) 8:~11: :~14: :~17: :~2: :~23: :~2: :~8: SUM
19 Ratios of ENUM vs. PSTN Yr M ENUM to ENUM Calls ENUM to PSTN Calls Total Calls ENUM to ENUM % ENUM to PSTN % % 6.6 % % 74.5 % % 57.4 % % 73.7 % Sum % 66.2 % 19
20 24 SIP/ENUM Trial
21 24 SIP/ENUM Trial Architecture Configuration B Proxy Users(5) Core Service Platform ENUM ENUM Server (TWNIC) SIP Phone SIP Proxy 24 Deployment Voice Mail Server SIP UA Deploy Proxy ENUM Proxy (TANet) Deploy Proxy Softswitch Configuration A IP-PBX Users (1) IP-PBX Call Server SIP Phone PSTN Gateway SIP UA Legacy Phone Media Server MMS Relay Server IP Network SS7 / E1 C5 Switch (Sparq, EBT) Configuration C Standalone Users PBX Project Office GPRS Core Network Public Switched Telephone Network SIP UA
22 24 Deployment Enterprise solution (1 set of config.a) Call Server + Deploy Server Media Server PSTN Gateway Carrier solution (5 sets of config.b) Installed in NTU, NCKU, NSYSU,NCU, and NTHU Proxy Server Deploy Server Unlimited Client Distribution (TANet users) PCA (Personal Communication Assistant) Register to Proxy Server Free PSTN Call (25 mins/month) 22
23 ENUM-enabled IP Multimedia Messaging Tier 1 NS ENUM Server Tier 2 NS MMS UA MM1 Step 2 MM4 Step 1 1. Send MMS to MMS Relay Server RS1 2. MMS Relay Server RS1 queries , get mms: /type=plmn@rs2 Step 3 Foreign MMS Relay Server RS2 Step 4 MM1 Step 5 3. MMS Relay Server RS1 forwards message to RS2 4. MMS Relay Server RS2 notifies MMS UA MMS UA gets MMS message from RS2 MMS UA Cellular
24 ENUM Enabled Service SMTP Server ENUM Server ENUM Enable Client To: ENUM Enabled SMTP Server To: Client To:
25 Support function / Training Course Call center setup in TWNIC Promotion events on campus NTU 4/28 NSYSU: 5/14 GSN: 7/9, 7/16 Many more to come Program Planning (Training Course) In conjunction with NTPO 25
26 Issues and Challenges
27 Issues and Challenges Value-added services proliferation Performance, service quality, location awareness issues VoIP regulation and de-regulation 944 numbering long-term plan 7 IPOX Initiative 27
28 e164.tw / e164.arpa Domain Name Using e164.tw domain name e164.arpa application e164.jp inter-working with e164.tw!! International Cooperation APEET SIPit in Taipei Neustar / ETSI Cooperation Registry-Registrar Operational Technology and Administration Mechanism ENUM Numbering Policy and WHOIS 28
29 Thank You!
30 Service Scenario Example TANet Registrar/ Registry Tier 1 NS Tier 2 NS IP Phone IP Phone 1 SIP Proxy 2 IP PBX Enterprise Softphone 3 PSTN Gateway NCTU/NTU/NTHU CCL/ITRI TWNIC HINET Softswitch PSTN Web Portal - Registrar PCA SIP UA JPRS IP Phone 3
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