1、INTERNATIONAL TELECOMMUNICATION UNION)45G134 1 TELECOMMUNICATIONSTANDARDIZATION SECTOROF ITU).4%27/2+).G0G0/&G0G03).!,).G0G03934%-3,/)#G0G002/#%$52%3G0G0&/2G0G0).#/-).3).!,).G0G03934%-G0G02 )45G134G0G0RecommendationG0G01 (Extract from the “LUEG0“OOK)NOTES1 ITU-T Recommendation Q.615 was published in
2、 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 unchanged (see below).2 In
3、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 by any means, electronic orme
4、chanical, including photocopying and microfilm, without permission in writing from the ITU.Fascicle VI.6 - Rec. Q.615 1Recommendation Q.615LOGIC PROCEDURES FOR INCOMING SIGNALLING SYSTEM R1Fascicle VI.6 - Rec. Q.615Supervisory timers for incoming Signalling System R1tl= 10-20 s Recommendation Q.325R
5、emarks to facilitate reading and understanding the SDL flow charta) The procedure described in Recommendation Q.313, 2.3.3.2, e) is not shown because this has no impact on the interworking.b) This incoming Signalling System R1 procedure assumes the inclusion of country code digits in the case where Signalling SystemR1 is used to access the outgoing international exchange.FIGURE 2/Q.615Notes to incoming Signalling System R12 Fascicle VI.6 - Rec. Q.615 Fascicle VI.6 - Rec. Q.615 3
