ITU-T Q 611-1988 LOGIC PROCEDURES FOR INCOMING SIGNALLING SYSTEM No 4《来话 No 4信令系统的逻辑程序》.pdf

1、INTERNATIONAL TELECOMMUNICATION UNION)45G134 1 TELECOMMUNICATIONSTANDARDIZATION SECTOROF ITU).4%27/2+).G0G0/&G0G03).!,).G0G03934%-3,/)#G0G002/#%$52%3G0G0&/2G0G0).#/-).3).!,).G0G03934%-G0.O G0 )45G134G0G0RecommendationG0G01 (Extract from the “LUEG0“OOK)NOTES1 ITU-T Recommendation Q.611 was published

2、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 I

3、n 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 or

4、mechanical, including photocopying and microfilm, without permission in writing from the ITU.Fascicle VI.6 - Rec. Q.611 1Fascicle VI.6 - Rec. Q.611Recommendation Q.611LOGIC PROCEDURES FOR INCOMING SIGNALLING SYSTEM No. 4Supervisory timerst1 5 s Recommendation Q.125, 4.2.4t 2 = 5-10 s Recommendation

5、Q.127, 4.4.3 (2), b)t3 10 Recommendation Q.125, 4.2.4t4 =30-60 s Recommendation Q.125, 4.4.3 (2), a)Procedures not shownThe following procedures, not directly relevant to interworking, are not shown in the logic procedures:- Procedures for terminal connectionFIGURE 2/Q.611Notes to incoming Signalling System No. 42 Fascicle VI.6 - Rec. Q.611 Fascicle VI.6 - Rec. Q.611 3 4 Fascicle VI.6 - Rec. Q.611