1、INTERNATIONAL TELECOMMUNICATION UNION)45G134 $ TELECOMMUNICATIONSTANDARDIZATION SECTOROF ITU%.%2!,G0G04!2)(b) that, it is desirable to adopt general charging and accounting principles for these services when theirprovisioning requires interworking;(c) that, in principle the interworking between thes
2、e data networks takes place in the country of origin;(d) the relevant Series D Recommendations,recommends1 Charging principles1.1 The charge(s) shall be, according to the policy of the origin Administration, either:a) the international charge(s) applicable to the originating data network, orb) the c
3、harge(s) for the international data network used.1.2 Where appropriate, (an) additional charge(s) may be applied for additional facilities, e.g., for the accessnetwork and/or the use of a network interworking unit in the origin, transit or destination country.2 International accounting2.1 The level
4、and division of the accounting rate(s) should be based on those normally applied to the internationaldata network used, in accordance with the appropriate Series D Recommendations.2.2 If an interworking unit in a destination country is used, the Administrations concerned should be entitled toremuner
5、ations which covers the costs of these facilities1).2.2.1 Such a remuneration should be included in the international accounting by an additional amount to be added tothe usual accounting rate(s) (for further study).2.2.2 By bilateral agreement Administrations may establish an additional remuneratio
6、n to cover the routing cost ofthe traffic within the destination country which is carried by using a different type of network in this country.2.3 If an interworking unit is located in a transit country, different international networks will be involved. Thedetermination of the appropriate accounting arrangement (including the remuneration for the interworking unit) is forfurther study._1)Subject to bilateral agreement.