1、INTERNATIONAL TELECOMMUNICATION UNION)45G134 1 TELECOMMUNICATIONSTANDARDIZATION SECTOROF ITU).4%27/2+).G0G0/&G0G03).!,).G0G03934%-3,/)#G0G002/#%$52%3G0G0&/2G0G0).#/-).3).!,).G0G03934%-G0G0.O G0 )45G134G0G0RecommendationG0G01 (Extract from the “LUEG0“OOK)NOTES1 ITU-T Recommendation Q.613 was publishe
2、d 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 unchanged (see below).2
3、 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 by any means, electronic
4、ormechanical, including photocopying and microfilm, without permission in writing from the ITU.Fascicle VI.6 - Rec. Q.613 1Recommendation Q.613Fascicle VI.6 - Rec. Q.613LOGIC PROCEDURES FOR INCOMING SIGNALLING SYSTEM No. 62 Fascicle VI.6 - Rec. Q.613Supervisory timers for incoming Signalling System
5、No. 6t1= 10-15 s Recommendation Q.268, 4.8.5.3, a)t2= 15-20 s Recommendation Q.261, 4.1.6t3= 20-30 s Recommendation Q.268, 4.8.5.3, a)t4= 4-15 s Recommendation Q.268, 4.8.5.3, b)t5= 1 minRecommendation Q.268, 4.8.5.3. b)Procedures not shownThe following procedures, not directly relevant to interwork
6、ing, are not shown in the logic procedures:- Dual seizure,- Blocking and unblocking sequences,- Unreasonable sequences,- Confusion and message refusal signals,- Reset circuit/band procedures,- Test call procedures,- Out of service.Signal abbreviations usedThe signal abbreviations used correspond to
7、those of the Signalling System No. 6 specifications unless otherwise indicated on thesame sheet.FIGURE 2/Q.613Notes to incoming Signalling System No. 6Fascicle VI.6 - Rec. Q.613 3 4 Fascicle VI.6 - Rec. Q.613 Fascicle VI.6 - Rec. Q.61356 Fascicle VI.6 - Rec. Q.613 Fascicle VI.6 - Rec. Q.61378 Fascicle VI.6 - Rec. Q.613 Fascicle VI.6 - Rec. Q.613910 Fascicle VI.6 - Rec. Q.613
