International Telecommunication Union
Numbering, naming,
addressing and
operational issues
Greg Jones
ITU Telecommunication Standardization Sector
(ITU-T)
ITU Seminar on Standardization
Accra, Ghana, 27-28 May 2004
Study Group 2 Questions (WP1)
Operational aspects of service provision,
networks and performance
Application of Numbering, Naming and
Addressing Plans for Fixed and Mobile
Services
 Routing and interworking plans for
fixed and mobile networks
 Management and development of
voice and non-voice based
telecommunication services
 Human factor issues in international
telecommunication services

27-28 May 2004
ITU Seminar on Standardization
Accra, Ghana, 27-28 May 2004
2
Study Group 2 Questions (WP1)
Operational aspects of service provision,
networks and performance
5. Service quality of networks (QSDG)
6. Network management (SNOG/NMDG)
7. Traffic engineering for personal
communications
8. Traffic engineering for SS No. 7- and
IP-based signalling networks
9. Traffic engineering for networks
supporting IP services
27-28 May 2004
ITU Seminar on Standardization
Accra, Ghana, 27-28 May 2004
3
Some projects: Question 1/2
Maintenance of existing E-series numbering related
Recommendations
Global evolution of naming, numbering and addressing,
including telephone and Internet interworking
Number portability
International numbering resource administration
UIFN/UIPRN/UISCN registrar coordination
27-28 May 2004
ITU Seminar on Standardization
Accra, Ghana, 27-28 May 2004
4
Some projects: Question 2/2
Maintenance of existing E-series routing related
Recommendations
Routing of calls when using international network
routing addresses
Interworking of routing addresses and IP
names/addresses
Routing methods for new network applications and
technologies
Support for differentiated QoS services for new network
applications and technologies
27-28 May 2004
ITU Seminar on Standardization
Accra, Ghana, 27-28 May 2004
5
Some projects: Question 3/2
Maintenance of all existing service-related
Recommendations
New service features and service interworking enabled
by the introduction of IP-based networks
International Telecommunication Charge Card
Service and Operational Aspects for mobile services
Emergency Service Provision
Transitional scenarios for migration from legacy
networks and services to more modern means of
telecommunications, including interworking cases
27-28 May 2004
ITU Seminar on Standardization
Accra, Ghana, 27-28 May 2004
6
Some projects: Question 4/2
Maintenance of existing human factors
Recommendations
Human factors aspects of public telephones to improve
their usability for older people
Symbols and pictograms for specific types of facilities for
people with disabilities
Internationally standard "earcon" (audible tone signal) to
indicate the possibility of choosing a language in which
to receive an interactive voice response service
Standard method for entering alphabetic information on
telephone dialpads
27-28 May 2004
ITU Seminar on Standardization
Accra, Ghana, 27-28 May 2004
7
Question 5/2
To provide new or revised Recommendations which enable
service quality parameters to be identified and measured, and
which establish numerical objective values to ensure that
networks provide service quality to meet customer/user
expectations.
•Operational Considerations for QoS of Voice and Facsimile
over IP-based Networks
•Framework for service quality agreement
•Observation on international outgoing telephone calls for
QoS.
•Quality of service framework
•Framework for service level agreement
•Terms and definitions related to QoS/NP
•Performance Monitoring Methods
•Quality of Services Handbook
27-28 May 2004
ITU Seminar on Standardization
Accra, Ghana, 27-28 May 2004
8
Question 6/2
How should the E.410-series of
Recommendations be updated to reflect the
enhancement of network management
capabilities?
Studies under this Question will include:
•NM operational guidance
•NM surveillance
•NM controls
•NM planning and organization aspects
27-28 May 2004
ITU Seminar on Standardization
Accra, Ghana, 27-28 May 2004
9
Some projects: Question 7/2
Revision of Recommendations on traffic engineering aspects of
networks supporting Personal Communications
Revision of Recommendations on reference connections for
traffic engineering
Revision of Recommendation E.760: Terminal mobility traffic
modelling
Revision of Recommendations on network grade of service
parameters and target values
Dimensioning methods for Public Land Mobile Systems
Traffic measurement requirements for networks supporting
Personal Communications services
27-28 May 2004
ITU Seminar on Standardization
Accra, Ghana, 27-28 May 2004
10
Some projects: Question 8/2
Traffic engineering for IP-based signalling networks
Methods for dimensioning resources in Signalling System
No. 7 networks
Methods for allocating and dimensioning IN resources
Traffic engineering methods for B-ISDN signalling
Traffic and congestion control requirements for SS No. 7
and IN-structured networks
Measurements of IN-services and service components
Implications of number portability for traffic engineering
of signalling networks
27-28 May 2004
ITU Seminar on Standardization
Accra, Ghana, 27-28 May 2004
11
Some projects: Question 9/2
Revision of Recommendations on reference connections for
traffic engineering of IP access networks
Traffic engineering methods for IP access networks based on
hybrid fibre-coaxial System
Traffic engineering methods for IP access networks based on
Digital Subscriber Line System
Traffic engineering methods for IP access networks based on
Wireless Local Loop
Traffic engineering methods for transporting voice over IP
Measurement requirements for IP-based networks
Traffic control and dimensioning for IP-based networks
27-28 May 2004
ITU Seminar on Standardization
Accra, Ghana, 27-28 May 2004
12
Study Group 2 Recommendation Series
Series E Overall network operation, telephone
service, service operation and human
factors
Series F Non-telephone telecommunication
services
Series I Integrated services digital network
(service definitions)
Series S Telegraph services terminal equipment
27-28 May 2004
ITU Seminar on Standardization
Accra, Ghana, 27-28 May 2004
13
Current work, some key SG2 Rec.
E.106 International Emergency Preference Scheme for
disaster relief operations (IEPS)
E.121 Standardize new symbols for telecommunication
E.164 The international public telecommunication
numbering plan
E.212 The international identification plan for mobile
terminals and mobile users
E.168 Application of E.164 numbering plan for UPT
E.A-ENUM Principles and procedures for the
administration of E.164 country codes for registration into
the Domain Name System
E.TDR Use of Telecommunications during emergencies
27-28 May 2004
ITU Seminar on Standardization
Accra, Ghana, 27-28 May 2004
14
Current work, some key SG2 Rec.
E.360.x QoS routing and related traffic engineering
methods
E.408 Telecommunication networks security
requirements
QoS Handbook
E.4KPI Business oriented key performance indicators
for management of networks and services
E.780 Dimensioning methods for public land mobile
systems
E.790 Traffic measurement requirements for
networks supporting Personal Communication
Services
27-28 May 2004
ITU Seminar on Standardization
Accra, Ghana, 27-28 May 2004
15
Administration of resources
o E.164 (Telephone numbers)
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Geographic country codes
Network codes
o ENUM
o E.169 (Universal freephone and premium
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27-28 May 2004
rate)
E.212 (IMSI codes)
X.121 (Public data networks)
F.69 (Telex)
Q.708 (signalling area network codes)
F.1 (Telegram)
ITU Seminar on Standardization
Accra, Ghana, 27-28 May 2004
16
Publication of information
o Operational Bulletin
o Resource databases
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E.118 (Issuer identifier number)
E.164 (Telephone numbers)
ENUM (Country code delegations0
E.169 (Universal numbers)
E.212 (MCC and MNC)
Tones as per E.180
etc.
o National numbering plans
27-28 May 2004
ITU Seminar on Standardization
Accra, Ghana, 27-28 May 2004
17