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>> Study Group 11 : Signalling requirements and protocols
Question 6/ 11 – Assistance in preparation of a handbook on the deployment of packet based networks
(New)

  1. Motivation

    • Protocols for migration to packet-based networks are evolving. Development of protocols in parallel by various international standardization bodies has lead to the emergence of different protocols such as BICC, H.323, and SIP.
    • A handbook is needed to assist ITU-T members in the deployment of packet-based networks to support PSTN/ISDN services. This handbook requires inputs and close collaboration between ITU-T- and ITU-D sectors. This Question shall coordinate the activities across the ITU-T sector.
    • Cooperation with external bodies outside of the ITU, in particular the SDOs, is required to gather any relevant information from these organizations and avoid duplication of effort


    Recommendations in force: None


  2. Question

    Study items to be considered include, but are not limited to:

    • What coordination and preparation is needed by the ITU-T sector to prepare a single handbook by the ITU-T and ITU-D sectors, containing different aspects related to technical matters
    • What associated mechanisms are required with session signalling and control to assure security?
    • What functional architecture and entities are required to support services and/or applications of public interest such as emergency call handling, lawful interception, number portability, etc.?


  3. Tasks

    Tasks include, but are not limited to:

    • Identification of network interconnection scenarios.
    • Coordinate ITU-T sector inputs to a handbook produced in cooperation with the ITU-D sector, that would contain the following:

      • Assistance with identifying appropriate protocols consistent with the existing and new service requirements of telecom administrations/operators, for migration from circuit switched networks to packet based networks in the evolutionary phase towards NGN;
      • The extent of interoperability for services possible between networks employing different protocols; and
      • Generic guidelines covering aspects of testing.

      This shall include any technical aspects as prepared by the relevant Study Groups.


    • Prepare the technical inputs to the handbook, on the signaling requirements and protocol aspects of packet-based networks to support PSTN/ISDN services.


  4. Relationships

    Recommendations: As required

    Questions: All/11

    Study Groups:

      ITU-T Study Group(s) responsible for operational aspects of service provisioning and network performance aspects
      ITU-T Study Group(s) responsible for TMN aspects
      ITU-T Study Group(s) responsible for principles, requirements, frameworks and architectures for an overall heterogeneous network environment
      ITU-T Study Group(s) responsible for multimedia architecture aspects
      ITU-T Study Group(s) responsible for data networks and telecommunication software aspects
      ITU-D Study Group 2


    Standardisation bodies, fora and consortia:

      Organizations such as: ASTAP (Asia-Pacific Telecommunity Standardization Program), CITEL, ETSI and IETF.

1 The word “service” in this context is not meant necessarily to represent an ITU-T-defined Service.

 

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