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Opinion D

Essential studies by the ITU to facilitate the introduction of "IP telephony",
including inter-operability considerations and implications, when implementing
"IP telephony" in association with the existing circuit-switched national and international telecommunications network in developing countries

The third World Telecommunication Policy Forum (Geneva, 2001),

considering

  1. that important technical, economic and regulatory decisions are essential, by developing countries in order to introduce "IP telephony";
  2. that the ITU Sectors should undertake further studies to facilitate the introduction of "IP telephony" by analysing inter-operability and interconnection issues with existing circuit-switched telecommunication networks, especially in the developing countries in order for them to take the proper decisions in due course,

invites the three ITU Sectors

each, for matters within its competence, and based on contributions from ITU Member States and Sector Members, to initiate new studies or pursue current ones, and to present any findings as soon as possible, to facilitate the introduction of "IP telephony" on a global basis, particularly with respect to:

  1. in ITU-R,

compatibility and inter-operability of radio access between IP networks and PSTNs,

  1. in ITU-T,
  1. a clear working definition of "IP telephony" and "Internet telephony";
  2. whether, and to what extent:
    1. to require compatibility of "IP telephony" with the existing international telephone service and not place additional requirements on existing circuit-switched international networks;
    2. compatibility should also include, but not be limited to, aspects of performance metrics, and other aspects as detailed in the relevant ITU-T Recommendations, in particular those on quality of service;
  1. whether, and to what extent:
  1. to consider the possibilities of how "IP telephony" can be a part of national PSTNs;
  2. aspects of traffic identification and measurement need to be considered for interworking of IP-based networks and PSTN/ISDN;
  1. identifying the cost elements of international IP connectivity with respect to the introduction of "IP telephony",
  1. In ITU-D,

taking account of the need of developing countries to plan a strategy of migration for their networks into IP-based networks, establishing a group of experts especially from developing countries to carry out the following tasks:

  1. to prepare, as soon as possible, a checklist of Factors which developing countries may use in the process of accelerating the introduction of IP networks, thus facilitating the introduction of "IP telephony";
  2. to advise and assist in response to the concerns and needs of the developing countries on the technical, socio-economic and policy impacts on the introduction of "IP telephony";
  3. to prepare a report to the forthcoming World Telecommunication Development Conference, in order for this Conference to take the necessary action.n

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Last Modified: 2002-06-14