1、O CEPT T/PGT*34*E 91 2326414 0012b30 T7T Page 1 Recommendation T/PGT 34 (Oslo 1990) CHARGING AND ACCOUNTING PRINCIPLES FOR SPECIFIC SUPPLEMENTARY SERVICES PROVIDED OVER THE ISDN Recommendation proposed by the Working Group T/WG 5 “General Tariff Principles” (PGT) Text of the Recommendation adopted b
2、y the “Commercial Action Committee” (CAC) : “The European Conference of Postai and Telecommunications Administrations, considering thal - the ISDN enables network operators to offer a wide range of supplementary services, - the provision of certain supplementary services can lead to additional costs
3、 for network operators, - certain supplementary services in spite of the additional costs incurred in their provision, are of benefit to network - the commercial provision of supplementary services ought to be as homogeneous as possible in the different operators in stimulating trafic, countries in
4、order to facilitate the use of the ISDN in Europe, O - user to user signalling is the subject of Recommendation T/PGT 18 E, recognizing that - charging for supplementary services is a national matter, recommends to CEPT network operators Charging principles Charging of supplementary services should
5、be cost oriented. When their provision does not require use of additional network functions or other resources they may be included in the basic rental for ISDN. This could apply for CLIP, CLIR and TP as listed in the MOU concerning the implementation of narrow band ISDN in Europe. The supplementary
6、 services which may require special resources as DDI, MSN or CLIR (on a per call basis), may be the subject of additional charges. These charges could be subscription or usage or a combination of both according to the supplementary service. Accounting Principles Those supplementary services provided
7、 by the distant network operator, at no additional cost, should be excluded from the international accounts (for instance CLIP, CLIR, DDI, MSN and TP). Supplementary services which require additional resources by the destination network operator (e.g. reverse charging) may be covered by separate accounting arrangements.” Edition of February 15, 1991
