1、ITU-T RECMN*Q.b92 93 YBb259L 0585842 T5b a INTERNATIONAL TELECOMMUNICATION UNION ITU-T TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU INTERWORKING OF SIGNALLING SYSTEMS Q.692 (O 3/93) INTERWORKING OF SIGNALLING SYSTEMS - LOGIC PROCEDURES FOR INTERWORKING TO No. 7 (TUP) OF SIGNALLING SYSTEM No. 7 (I
2、SUP) ITU-T Recommendation Q.692 (Previously “CCITT Recommendation”) ITU-T RECflN*Q.h92 i3 48h259L 0585843 992 FOREWORD The ITU Telecommunication Standardization Sector (ITU-T) is a permanent organ of the International Telecom- munication Union. The ITU-T is responsible for studying technical, operat
3、ing and tariff questions and issuing Recommendations on them with a view to standardizing telecommunications on a worldwide basis. The World Telecommunication Standardization Conference (WTSC), which meets every four years, established the topics for study by the ITU-T Study Groups which, in their t
4、urn, produce Recommendations on these topics. ITU-T Recommendation Q.692 was prepared by the ITU-T Study Group XI (1988-1993) and was approved by the WTSC (Helsinki, March 1-12, 1993). NOTES 1 As a consequence of a reform process within the International Telecommunication Union (ITU), the CCITT ceas
5、ed to exist as of 28 February 1993. In its place, the ITU Telecommunication Standardization Sector (ITU-T) was created as of 1 March 1993. Similarly, in this reform process, the CCIR and the IFRB have been replaced by the Radiocommunication Sector. In order not to delay publication of this Recommend
6、ation, no change has been made in the text to references containing the acronyms “CCITT, CCIR or IFRB” or their associated entities such as Plenary Assembly, Secretariat, etc. Future editions of this Recommendation will contain the proper terminology related to the new ITU structure. 2 telecommunica
7、tion administration and a recognized operating agency. In this Recommendation, the expression “Administration” is used for conciseness to indicate both a O ITU 1994 All rights reserved. No part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, i
8、ncluding photocopying and microfilm, without permission in writing from the ITU. ITU-T RECMN*Q.b92 93 W Li862591 0585844 829 W Recommendation Q.692 INTERWORKING OF SIGNALLING SYSTEMS - LOGIC PROCEDURES FOR INTERWORKING OF SIGNALLING SYSTEM No. 7 (ISUP) TO No. 7 (TUP) (Helsinki, 1993) T1141620-92/601
9、 Sfate numbw State descfbn O0 Idle o1 Wait for call set up information Wait for address-cmplete WaA for answer Answered 05 Clear-back Sheet reference 1, 34 1 FIGURE VQ.692 State overview diagram for interworking of Signalling System No. 7 (ISUP) to No. 7 (TUP) Recommendation Q.692 (03/93) 1 ITU-T RE
10、CMN*Q.b92 93 4862593 0585845 765 = FITE 3 Activate SS No. 7 (ISUP) No.7(TUP) I FITE 5 call cet up I SPITE 53 Analyse info received and generate appropriate BITE and FITE ACtivate O/G SS No. 7 Yes FITE 26 1 I FITE 30 FITES 9-1 3, 17-1 9 FIGURE 2/Q.692 (sheet 1 of 4) Interworking of Signalling System
11、Na 7 (ISUP) to No. 7 (TUP) 2 Recommendation Q.692 (03/93) ITU-T RECMN*Q-b92 93 = 4862593 0585846 bTL m BITES 2-7 SPITE 53 (Table 1) SPITE 48 a I FIGURE UQ.692 (sheet 2 of 4) Interworking of Signalling System No. 7 (ISUP) to No. 7 (Tup) Recommendation Q.692 (03/93) 3 ITU-T RECMN*Q-b92 93 m 48b259L 05
12、85847 538 m BITE 22 BITE X I 03 Wait for answer BITES 10,12, 19 BITE 23 FITE Z FITE 23 SPITE 53 (Table 3) I FITE 22 SPITE 53 (Table 2) FITE 23 (C) Q (-3 FIGURE 2JQ.692 (sheet 3 of 4) Interworking of Signalling System No. 7 (ISUP) to No. 7 (TUP) 4 Recommendation 4.692 (03/93) C 6 5 56 3 ITU-T RECRN*Q
13、.b92 93 m 48b259L 0585848 474 m A Answered FITE Z BITE 25 FITE 23 D FITE 22 (e) BITE 25 C lear-back FITE 23 0 b BITES 9, 10, 12,14-17, 19,20,35,36 SPITE 53 (Table 2) BITE Z FIGURE UQ.692 (sheet 4 of 4) Interworking of Signalling System No. 7 (ISUP) to No. 7 (TUP) 5 Recommendation Q.692 (03/93) ITU-T
14、 RECMN+Q.b92 93 m 4862571 0585849 300 m TABLE VQ.692 Backward call indicators in ACM Charge indicator Called partys status Called partys category Interworking indicator I Received BITE I 234567 10 o1 10 10 o1 10 00 O0 O0 o1 o1 o1 0000 100000 10 0/1 0/1 0/1 0/1 0/1 0/1 Cause sent TABLE 2/Q.692 Locati
15、on I ReceivedBITE (release) Received BITE Change Called partys Called partys indicator status category I a) Only in timeout expiry. Interworking 42 34 34 28 1 17 27 3 1/1 27a) 4 88 65 1010 1010 1010 1010 1010 1010 1010 1010/011 la) 1010 1010 1010 TABLE 314.692 o/ 1 o/ 1 22 10 o1 I 23 6 Recommendation Q.692 (03193)
