1、 INTERNATIONAL TELECOMMUNICATION UNION D.172 TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU CHARGING AND ACCOUNTING IN INTERNATIONAL TELECOMMUNICATION SERVICES ACCOUNTING FOR CALLS CIRCULATED OVER INTERNATIONAL ROUTES FOR WHICH ACCOUNTING RATES HAVE NOT BEEN ESTABLISHED ITU-T Recommendation D.172 (
2、Extract from the Blue Book) NOTES 1 ITU-T Recommendation D.172 was published in Fascicle II.1 of the Blue Book. This file is an extract from the Blue Book. While the presentation and layout of the text might be slightly different from the Blue Book version, the contents of the file are identical to
3、the Blue Book version and copyright conditions remain unchanged (see below). 2 In this Recommendation, the expression “Administration” is used for conciseness to indicate both a telecommunication administration and a recognized operating agency. ITU 1988, 1993 All rights reserved. No part of this pu
4、blication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the ITU. Fascicle II.1 - Rec. D.172 1 Recommendation D.172 Fascicle II.1 - Rec. D.172 ACCOUNTING FOR CALLS CIRCULATED OVER INTERNATI
5、ONAL ROUTES FOR WHICH ACCOUNTING RATES HAVE NOT BEEN ESTABLISHED (Geneva, 1972) Normally, when calls are circulated over international routes for which accounting rates have not been established, these calls shall be treated in the international accounts as if they had been sent via the primary rout
6、e, or if no relation has been opened between two terminal countries, they shall not be included in the international accounts, provided that the chargeable duration of such calls does not exceed: 25 minutes of call per month in an intercontinental relation, 100 minutes of call per month in a contine
7、ntal relation. The Administration of origin shall be responsible for keeping check of the total duration of such calls and for arranging to remunerate the Administration concerned if the duration exceeds the above-mentioned limits. However, if the amount of such traffic becomes significant or if, for any other reasons, any one of the Administrations involved wishes to have a proper accounting rate established, all the Administrations concerned should consult together and establish the accounting rate and divisions thereof to be used for such traffic.
