1、INTERNATIONAL TELECOMMUNICATION UNION)45G134 & TELECOMMUNICATIONSTANDARDIZATION SECTOROF ITU/0%2!4)/.3G0G0!.$G0G015!,)49G0G0/&G0G03%26)#%4%,%2!0(G0G03%26)#%32!$%G0G0/&G0G03%26)#%G0G0&/2G0G0,/.G0G13G0$)34!.#%).4%2.!4)/.!,G0G0%.4%8G0G0#)2#5)43)45G134G0G0RecommendationG0G0& (Extract from the “LUEG0“OOK
2、)NOTES1 ITU-T Recommendation F.23 was published in Fascicle II.4 of the Blue Book. This file is an extract from theBlue Book. While the presentation and layout of the text might be slightly different from the Blue Book version, thecontents of the file are identical to the Blue Book version and copyr
3、ight conditions remain unchanged (see below).2 In this Recommendation, the expression “Administration” is used for conciseness to indicate both atelecommunication administration and a recognized operating agency. ITU 1988, 1993All rights reserved. No part of this publication may be reproduced or uti
4、lized in any form or by any means, electronic ormechanical, including photocopying and microfilm, without permission in writing from the ITU.Fascicle II.4 - Rec. F.23 1Recommendation F.23Fascicle II.4 - Rec. F.23GRADE OF SERVICE FOR LONG-DISTANCE INTERNATIONALGENTEX CIRCUITSThe CCITT,consideringthat
5、 the main purpose of the gentex service is to ensure that traffic shall be passed without delay, whilst alsoensuring a sufficient use of groups of long-distance international circuits intended to carry traffic,unanimously declaresthat the grade of service corresponding to a loss probability of 1 in 50, as set out in Table 2/F.64, should applyto the groups of long-distance international circuits used in the gentex service.
