Update fromTaiwan SIP/ENUM Trial

By Dr. S.S. Tseng
Ching Chiao (TWNIC) and Acer Hsu (CCL)
2004.07.27
5th ETJP Meeting, Waseda University

Agenda Taiwan SIP/ENUM Trial Status
 2004 Plan for Taiwan SIP/ENUM Trial Deployment Plan New Services

 Issues & Challenges

2

SIP/ENUM Trial Mile Stone 2003. 7 – Completion of SIP/ENUM trial system v1.0


SIP Proxy Server / PCA

 2003.8 – Media server added

Voice message and Voice as attachment in Email 2003.9 – Numbering and administration plan determined
Number block (100~10,000 numbers per block) assignment by administrator
 Number selection by user Regional-based application and authentication
 2003.10 ~ 12 – Implementing PSTN interconnection (Softswitch)
APOL (TSP) / Sparq (TSP) 2004.1 – PSTN interconnection completed and opened
25 min per user per month Local, Domestic Long Distance and Mobile numbers 2004.2 ~ 4 – Large scale promotion on university campuses 2004.5 – Trial (v1.5) moved forward to 2nd year beyond schedule 2004.12 – Trial system v2.0; new services (MMS, Enum-enabledemail)3

Taiwan SIP/ENUM Trial Status

Project Management
Project Leader :Dr. S.S. Tseng
President, TWNIC
Project Management
Co-leader : Dr. S.L. Chou
Director, CCL

Secretariat

ProjectPlanning• CCL• Secretariat

E.164 & ENUM
NumberManagement

Service
Provisioning

TechnicalDevelopment& Supporting• TWNIC• TANet(MOECC)

• CCL

5

2003 Trial System Architecture
NCTU/NTHU/NTU …

TWNIC
Tier 1 NS

Softphone

Softphone(0944-0xxxxx)

IP PBXISPISPSIP Proxy

Tier 2 NS

IP Phone

NBEN

Gateway

CCL/ITRIIP PBX

Softphone
SIP ProxyMedia ServerSignaling
Gateway(Voice Mail)
Softswitch(MGC)

LEC pbx

PSTN

Trunk
Gateway

Taipei Operator (APOL)

Signaling
Gateway

Softswitch(MGC))

TrunkGateway

MSC/MMSC

Cellular
Hsinchu Operator (Sparq)

Services in 2003 SIP/ENUM Trial
1. Softphone ÅÆ Softphone
2. Softphone Æ PSTN

TWNIC

3. Softphone Æ Voice Mail

NCTU/NTHU/NTU

Tier 1 NS

Softphone

Softphone ISP
SIP Proxy
ISP(0944-0xxxxx)(IPv4/6)

Tier 2 NS

IP PBXIP Phone(IPv4/6)

TANet/NBEN

IPv6-IPv4
Gateway

IP PBXSIP Proxy

LEC pbx

PSTN

Trunk
Gateway

Taipei Operator(0944-0xxxxx)

SofthoneMedia Server

Signaling
Gateway

Softswitch(MGC)

CCL/ITRI

Softswitch(MGC))
TrunkGateway

Signaling
Gateway

LEC PBX

PSTN

Hsinchu Operator(0944-0xxxxx)

Services in 2003 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 5300)
 60 incoming calls simultaneous IP to Voice Mail Service
8

2003 SIP/ENUM Deployed Equipments
NCTU Computer Center• Register• Authentication• Service Control Center

Tier1 ENUM Server * 1 (TWNIC)
Tier2 ENUM Server * 2 (TWNIC)SIP Proxy Server *1 (CCL)
Deploy Server *1 (CCL)NTU SIP UA

NSYSU SIP UAMedia Server *1 (CCL)

TANet

NCKU SIP UA

NCCU SIP UA

TSP
MGC + SG *1 （CCL）
Sparq(TSP)• Hsinchu CO
TG *1 (CISCO)• E1 *1• Support Long Distance Call

APOL(TSP)• Taipei CO• E1 *1• Support Call to Mobile
MGC + SG *1 （CCL）
TG *1 (CISCO)

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
 http://service.enum.org.tw
10Number Management
Number
Allocation
Registrar, Authentication, Validation
Users Applyand Pick #Admin
Approval
Registry, Web-Portal

Modify
NAPTR

Number Activate
Create NAPTR

Download &Install PCA

ServerRegistration

ENUM Query, Resolution

Application Service Provider
11

Taiwan SIP/ENUM Trial
Deployment Status~ 2004.7.25

號碼區段

參測單位

說明20,000

教育部電算中心

含TANet各區網中心及縣網中心

09440-2
09440-20xxx
09440-21~29xxx

1,000
9,000

NTPO(NBEN)
Reserved

含測試開發人員使用部分

09440-3
09440-300xx
09440-301~303xx
09440-304~306xx
09440-307-308xx
09440-309xx

100
300
300
200
100

NICI
DGT
研考會(資訊處)TCA
TWNIC

09440-4
09440-40xxxx
09440-41~49xxx

1,000
9,000

電通所（CCL）
Reserved

09440-5
09440-50~51xxx
09440-52~59xxx

2,000
8,000

APOL (APTG)
Reserved

09440-6
09440-60~61xxx

10,000Reserved

09440-7
09440-70~71xxx
09440-72~79xxx

2,000
8,000

速博（Sparq）
Reserved

09440-8
09440-80~89xxx

10,000TCA

09440-909440-90~91xxx
09440-92~99xxx

2,000
8,000CHT (HiNet/TL)
Reserved

09440-0xxxx
09440-1xxxx

提供TCA SIP/Enum Forum IPOX
參測單位分配使用

Number Allocation and Issuance
管理單位相關資訊(共 27 個單位巳用 1100 號碼)
單位名稱

起始號碼

結束號碼

號碼總數

巳使用門號

單位使用率

教育部電算中心

0944000000

0944000999

1000

50.50

清華大學

0944001000

0944001999

1000

53

5.30

台灣大學(台北區網)0944002000

0944002999

1000

107

10.70

交通大學(竹苗區網)0944003000

0944003999

1000

59

5.90

成功大學(台南區網)0944006000

0944006999

1000

227

22.70

台南市網

0944007000

0944007099

100

1212.00

台南縣網

0944007100

0944007199

100

22.00

中山大學(高屏澎區網)

0944008000

0944008999

1000

148

14.80

台東師院(台東區縣網共用)

0944009000

0944009999

1000

20.20

政治大學(台北區網二)

0944012000

0944012999

1000

80.80

台北市網

0944013000

0944013099

100

55.00

宜蘭縣網

0944013100

0944013199

100

4343.00

中央大學(桃園區網)

0944014000

0944014999

1000

131

13.10

桃園縣網

0944015000

0944015099

1002525.00……..
14

Distribution of New Registrants(Have registered to Proxy Server)

MonthNorth

Central

South

East

Total

20030850038

20030900011200310

50218200311

3700037200312

3100031200401

30003

200402

27

1

0

1745

200403

102

83

218

0403

200404

35

7

52067

200405

63

6

64

79

200406

116

7

40

2

165

200407

54

6

7

14

81

sum

478

110

278

6292815

Monthly Calls
Month

Number of Calls

200310135

200311629

200312601

200401

236

200402962

2004031263

2004041740

2004052030

200406

2866

200407

1567

SUM

12029
16

Sum of Total Calls by Month
MonthTimeseconds

minuteshours

2003102003-10-21 20:25:55 ~ 2003-10-31 23:53:49

6064

101.07

1.68

200311

2003-11-03 14:41:41 ~ 2003-11-21 12:18:24

1022101703.528.39

200312

2003-12-02 10:05:31 ~ 2003-12-31 15:25:49

59517

991.9516.53

200401

2004-01-01 09:57:51 ~ 2004-01-18 16:40:02

8419

140.322.34

200402

2004-02-02 16:15:27 ~ 2004-02-29 23:12:11

71891

1198.1819.97

200403

2004-03-01 09:52:30 ~ 2004-03-31 23:35:37

79964

1332.7322.21

200404

2004-04-01 00:24:47 ~ 2004-04-30 23:41:14

87566

1459.4324.32

200405

2004-05-01 11:15:01 ~ 2004-05-31 22:50:40

1339582232.6337.21

200406

2004-06-01 01:34:40 ~ 2004-06-28 00:48:59

2068563447.657.46

200407

2004-07-05 10:05:58 ~ 2004-07-25 23:51:43

1398412330.68

38.84

sum

896286 14938.09

248.9517

Call Distribution per 3-Hour
Time

Number ofcalls

Total
Total
Total
duration (sec) duration (min) duration (hr)

8:00~11:00

2307

1498702497.83

41.63

11:00~14:00

2581

147822

2463.741.06

14:00~17:00

3544

2526024210.0370.17

17:00~20:00

1748

1358722264.5337.74

20:00~23:00

1216

1382192303.65

38.39

23:00~02:00

491

62510

1041.8317.36

02:00~08:00

142

9391

156.52

2.61

SUM

12029

89628614938.09

248.9618Ratios of ENUM vs. PSTN
Yr

ENUM toM ENUMCalls

2004

22004

32004

42004 5Sum

ENUM to Total
PSTN Calls Calls

ENUM toENUM %ENUM toPSTN %379583962

39.3 %

60.6 %

322941

1263

25.4 %

74.5 %

741

999

1740

42.5 %

57.4 %

36510241389

26.2 %

73.7 %

1807

3547

5354

33.7 %

66.2 %
19

2004 SIP/ENUM Trial

2004 SIP/ENUM Trial Architecture
Configuration B – Proxy Users(5)台大、成功、中山、清大、中央2004 Deployment
Core Service Platform

Voice Mail Server

ENUM
ENUM Server (TWNIC)SIP Phone

SIP Proxy

SIP UAENUM Proxy (TANet)

Deploy ProxySoftswitch

Deploy ProxyIP Network

Configuration A – IP-PBX Users (1)SS7 / E1

SIP Phone
IP-PBX
Call Server
C5 Switch(Sparq, EBT)SIP UAMMS Relay ServerPSTN Gateway
Legacy Phone

Media Server

Configuration C – Standalone Users
GPRS Core Network

PBX

Project Office

SIP UA

Public Switched Telephone Network2004 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

ENUM-enabled IP Multimedia Messaging
Tier 1 NS

ENUM Server

Tier 2 NS

Step 2

MMS UA 0944011111
MM1
Step 1

MM4
MMS Relay ServerRS1

1. Send MMS to 0944022222
2. MMS Relay Server RS1 queries 0944022222, get

Step 3Foreign MMS Relay
Server RS2

Step 4

MM1
Step 5mms:+886955022222/TYPE=PLMN@RS2
3. MMS Relay Server RS1 forwards message to RS2
4. MMS Relay Server RS2 notifies MMS UA 0955022222
5. MMS UA 0955022222 gets MMS message from RS2

MMS UA 0944022222
Cellular 0955022222
23

ENUM Enabled Email Service
SMTP Server

ENUM Server0944015616
slchou@itri.org.tw

ENUM Enable Email Client
To:0944015616 Æ SMTP:slchou@itri.org.tw

ENUM Enabled SMTP Server
To:0944015616 Æ SMTP:slchou@itri.org.tw

Email Client
To:0944015616
24

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

Issues and ChallengesIssues and Challenges
 Value-added services proliferation
 Performance, service quality, location awarenessissues VoIP regulation and de-regulation
 09440 numbering long-term plan
 070 IPOX Initiative27

e164.tw / 6.8.8.e164.arpa Domain Name Using e164.tw domain name 6.8.8.e164.arpa application
 e164.jp inter-working with e164.tw!!

 International Cooperation
 APEET SIPit in Taipei
 Neustar / ETSI Cooperation

 Registry-Registrar Operational Technology andAdministration Mechanism ENUM Numbering Policy and WHOIS
28

Thank You!

Service Scenario Example
Tier 1 NS
Registrar/ Registry
Tier 2 NS

TANet

IP Phone

1IP PhoneEnterprise

SIP Proxy3

2IP PBX

Softphone
NCTU/NTU/NTHU
PSTN Gateway CCL/ITRI
TWNIC
HINET

PSTN
PSTN

Softswitch

Web Portal - Registrar

PCA – SIP UA
JPRSIP Phone30