1、INTERNATIONAL TELECOMMUNICATION UNION)45G134 1 TELECOMMUNICATIONSTANDARDIZATION SECTOROF ITU).4%27/2+).G0G0/&G0G03).!,).G0G03934%-3,/)#G0G002/#%$52%3G0G0&/2).4%27/2+).G0G0/&G0G03).!,).3934%-G0G0.O G0G04/G0G0.O G0 450G9)45G134G0G0RecommendationG0G01 (Extract from the “LUEG0“OOK)NOTES1 ITU-T Recommend
2、ation Q.643 was published in Fascicle VI.6 of the Blue Book. This file is an extract fromthe Blue 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 copyright conditions remain
3、 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 utilized in any form or b
4、y any means, electronic ormechanical, including photocopying and microfilm, without permission in writing from the ITU.Fascicle VI.6 - Rec. Q.643 1Fascicle VI.6 - Rec. Q.643Recommendation Q.643LOGIC PROCEDURES FOR INTERWORKING OF SIGNALLING SYSTEM No. 5 TO No. 7 (TUP)FIGURE 2/Q.643(Reserved for future notes)2 Fascicle VI.6 - Rec. Q.643 Fascicle VI.6 - Rec. Q.643 3 4 Fascicle VI.6 - Rec. Q.643
