1、 ITU-T RECMN*Q-b94 93 48b2591 0584887 227 INTERNATIONAL TELECOMMUNICATION UNION ITU-T TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU INTERWORKING OF SIGNALLING SYSTEMS Q.694 (03/93) INTERWORKING OF SIGNALLING SYSTEMS - LOGIC PROCEDURES FOR INTERWORKING OF SIGNALLING SYSTEM No. 7 (ISUP) TO RI ITU-T
2、Recommendation Q.694 (Previously ?CCITT Recommenation?) ITU-T RECMN*d=b94 93 48b259L 0584888 Lb3 W 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, operating and tar
3、iff 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 turn, produc
4、e Recommendations on these topics. ITU-T Recommendation 4.694 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 CCIT ceased to exist
5、as of 28 February 1993. In its place, the ITU Telecommunication Standardization Sector (ITU-T) was created as of i 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 Similarly, in this reform process, the CCIR and the IFRB have been replaced by the Radiocommunication Sector.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 Recommendation, no ch
6、ange 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 telecommunication adminis
7、tration and a recognized operating agency. In this Recommendation, the expression “Administration” is used for conciseness to indicate both a o nu 1994 All rights reserved. No part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including phot
8、ocopying and microfilm, without permission in writing from the ITU. ITU-T RECMN*Q-b94 93 48b259L 0584889 OTT W Recommendation Q.694 INTERWORKING OF SIGNALLING SYSTEM - LOGIC PROCEDURES FOR INTERWORKING OF SIGNALLING SYSTEM No. 7 (ISUP) TO Ri (Helsinki, 1993) State number O0 o1 02 03 o4 o5 o6 07 Stat
9、e descrtion Idle Wait for call Set up information Wait for COT Wait for addresscomplete Wait for raster deactivation Wait for answer Answered Cl=-back Sheet reference 1,4 1 1 FIGURE 1 fQ.694 State overview diagram for interworking d Sigiialng System Na 7 (ISUP) to R1 Procedures not shown PI - No tra
10、nsit working is defined for RI FIGURE UQ.694 Note to the interworking of Signalling System No. 7 (ISUP) to R1 Recommendation Q.694 (03/93) 1 ITU-T RECMN*Q-b94 93 = 48b2591 0584890 811 M FITE 25 Connector reference FITE 24 2 FIGURE 3Q.694 (sheet 1 of 4) interworking d Signalling System No. 7 (ISUP) t
11、o R1 Recommendation Q.694 (03193) (e) I No transit working is r 1 m E 2 o r 3 Y I 7 w LL t -B RecornmeMiation 4.694 (03D3) 3 Wait for register deactivation 3 o4 answer BITE 22 u SPITE 53 (Table 2) BITE Y :.i FITE 23 FITE 23 63 FITE Z P FIGURE 3/Q.694 (sheet 3 of 4) interworking of Signalling System
12、No. 7 (ISUP) to R1 4 Recommendation Q.694 (03193) ITU-T RECMN*Q-b94 93 W 4862593 0584893 520 Comector reference 4 2 5 4 2 495 2x4 o Answered a BITE 25 u FITE 23 FITE 23 64 FITE Z 9 BITE 22 0 BITE 24 9 FITE 23 0 2, 3 (x 21, FITE 23 4 FIGURE 314.694 (sheet 4 of 4) interworking of Signalling System Na
13、7 (ISUP) to R1 Recommendation Q.694 (03193) ITU-T RECMN*d.b94 93 m 48b2591 0584894 4b7 m Interworking indicator TABLE UQ.694 1 I Received BITE Backward cai1 indicators in ACM I 26 I Charging indicator Called partys status Called partys category I lo I TABLE 2/Q.694 Backward call indicators in ANM ANM without backward call indicators is to be sent 6 Recommendation Q.694 (03D3)
