ITU-T Q 732 2-5-1999 Stage 3 description for call offering supplementary services using signalling system No 7 Call diversion services - Q 732 5 C Call Deflection (CD) (Study Group.pdf
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1、 STD-ITU-T RECMN 8-732-2-5-ENGL 1999 4862593 Ob70139 59T = INTERNATIONAL TELECOMMUNICATION UNION ITU-T TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU Q.732.2-5 SERIES Q: SWITCHING AND SIGNALLING Specifications of Signalling System No. 7 - ISDN supplementary services (1 2/99) Stage 3 description for
2、 call offering supplementary services using signalling system No. 7: Call diversion services Q.732.2 - Call Forwarding Busy (CFB) Q.732.3 - Call Forwarding No Reply (CFNR) Q.732.4 - Call Forwarding Unconditional (CFU) Q.732.5 - Call Deflection (CD) ITU-T Recommendation Q.732.2-5 (Previously CCITT Re
3、commendation) ITU-T Q-SERIES RECOMMENDATIONS SWITCHING AND SIGNALLING SIGNALLING IN THE INTERNATIONAL MANUAL SERVICE INTERNATIONAL AUTOMATIC AND SEMI-AUTOMATIC WORKING FUNCTIONS AND INFORMATION FLOWS FOR SERVICES IN THE ISDN SPECIFICATIONS OF SIGNALLING SYSTEMS No. 4 AND No. 5 SPECIFICATIONS OF SIGN
4、ALLING SYSTEM No. 6 SPECIFICATIONS OF SIGNALLING SYSTEM RI SPECIFICATIONS OF SIGNALLING SYSTEM R2 DIGITAL EXCHANGES INTERWORKING OF SIGNALLING SYSTEMS SPECIFICATIONS OF SIGNALLING SYSTEM No. 7 CLAUSES APPLICABLE TO ITU-T STANDARD SYSTEMS General Message transfer part (MTP) Signalling connection cont
5、rol part (SCCP) Telephone user part (TUP) rY Data user part Signalling System No. 7 management ISDN user part Transaction capabilities application part Test specification Q3 interface DIGITAL SUBSCRIBER SIGNALLING SYSTEM No. 1 INTERWORKING WITH SATELLITE MOBILE SYSTEMS INTELLIGENT NETWORK , PUBLIC L
6、AND MOBILE NETWORK SIGNALLING REQUIREMENTS AND PROTOCOLS FOR IMT-2000 BROADBAND ISDN Q.1-Q.3 Q.4-Q.59 Q.60-Q.99 Q.lO-Q.119 Q .I 20-Q.249 Q .250-Q.309 Q .3 1 O-Q .399 Q.400-Q.499 Q.500-Q.599 Q.600-Q.699 Q. 700-Q. 849 Q.700 Q.701-Q.709 Q.711-Q.719 Q.720-Q.729 4.750-4.739 Q.740-Q.749 Q .750-Q. 759 Q .7
7、60-Q. 769 Q.770-Q.779 Q.78O-Q.799 Q.800-Q.849 Q .850-Q. 999 Q. 1OOO-Q. 1 O99 Q.lIOeQ.1199 Q. 1200-Q. 1 699 Q.1700-Q.1799 Q.2000-Q.2999 For further details, please refer to ITU-T List of Recommendations. ITU-T RECOMMENDATION Q.732.2-5 STAGE 3 DESCRIPTION FOR CALL OFFERLNG SUPPLEMENTARY SERVICES USING
8、 SIGNALLING SYSTEM No. 7: CALL DIVERSION SERVICES Summary This Recommendation defines the essential functions, procedures and messages required for the transportation of call diversion information. Source ITU-T Recommendation 4.732.2-5 was revised by ITU-T Study Group 11 (1997-2000) and was approved
9、 under the WTSC Resolution No. 1 procedure on 3 December 1999. Recommendation Q.732.2-5 (12/99) i FOREWORD ITU (International Telecommunication Union) is the United Nations Specialized Agency in the field of telecommunications. The ITU Telecommunication Standardization Sector (ITU-T) is a permanent
10、organ of the ITU. The ITU-T is responsible for studying technical, operating 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, est
11、ablishes the topics for study by the ITU-T Study Groups which, in their turn, produce Recommendations on these topics. The approval of Recommendations by the Members of the ITU-T is covered by the procedure laid down in WTSC Resolution No. 1, In some areas of information technology which fall within
12、 ITU-Ts purview, the necessary standards are prepared on a collaborative basis with IS0 and IEC. NOTE In this Recommendation, the expression “Administration“ is used for conciseness to indicate both a telecommunication administration and a recognized operating agency. INTELLECTUAL PROPERTY RIGHTS Th
13、e ITU draws attention to the possibility that the practice or implementation of this Recommendation may involve the use of a claimed Intellectual Property Right. The ITU takes no position concerning the evidence, validity or applicability of claimed Intellectual Property Rights, whether asserted by
14、ITU members or others outside of the Recommendation development process. As of the date of approval of this Recommendation, the ITU had not received notice of intellectual property, protected by patents, which may be required to implement this Recommendation. However, implementors are cautioned that
15、 this may not represent the latest information and are therefore strongly urged to consult the TSB patent database. O ITU 2000 All rights reserved. No part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, w
16、ithout permission in writing from the ITU. I 11 Recommendation 4.732.2-5 (12/99) CONTENTS Page 2.1 Introduction . 1 2.1.1 Scope . 1 2.1.2 References 1 2.1.3 Terms and definitions 2 3 2.1.4 Abbreviations . 2.2 Description 4 2.2.1 General description 4 2.2.2 Specific terminology 4 2.2.3 Qualification
17、on the applicability to telecommunication services. 4 2.2.4 State definitions . 4 2.3 Operational requirements 5 2.3.1 Provisiodwithdrawal . 5 2.3.2 Requirements on the originating network side 6 2.3.3 Requirements in the network . 6 2.3.4 Requirements on the terminating network side . 6 2.4 Coding
18、requirements . 6 2.4.1 Messages 7 2.4.2 Parameters . 8 2.5 Signalling requirements 9 2.5,l Activatioddeactivatiodregistration 9 2.5.2 Invocation and operation . 9 2.6 Interactions with other supplementary services 2.6.2 Call transfer services 2.6.3 Connected Line Identification Presentation (COLP) .
19、 2.6.4 Connected Line Identification Restriction (COLR) . 2.6.5 Calling Line Identification Presentation (CLIP). . 2.6.6 Calling Line Identification Restriction (CLIR). . 2.6.7 Closed User Group (CUG) 2.6.1 Call Waiting (CW) . 2.6.8 Conference calling (CONF) . 2.6.9 Direct Dialling-In (DDI) 18 18 18
20、 18 18 18 18 18 19 19 2.6.10 Call diversion services . 19 2.6.11 Line Hunting (LH) . 19 2.6.12 Three Party Service (3PTY) 19 2.6.13 User-to-User Signalling (UUS) . 19 2.6.14 Multiple Subscriber Number (MSN) . 19 2.6.15 Call hold (HOLD) 19 2.6.16 Advice of Charge (AOC) . 19 . Recommendation 4.732.2-5
21、 (12/99) 111 2.7 2.8 2.9 2.10 2.6.17 2.6.18 2.6.19 2.6.20 2.6.21 2.6.22 2.6.23 2.6.24 Sub-addressing (SUB) . Terminal Portability (TP) Completion of Calls to Busy Subscriber (CCBS) Malicious Call Identification (MCID) . Reverse charging (REV) Multi-level Precedence and Preemption (MLPP) Private Numb
22、ering Plan (PNP) International telecommunication charge card Interactions with other networks . 2.7.1 Interactions with networks not providing any call diversion information . 2.7.2 Interactions with private ISDNs Signalling flows Dynamic description . Parameter values (timers) . Page 19 19 19 20 20
23、 20 20 20 20 20 20 20 34 34 iv Recommendation Q.732.2-5 (12/99) Recommendation 4.732.2-5 STAGE 3 DESCRIPTION FOR CALL OFFERING SUPPLEMENTARY SERVICES USING SIGNALLING SYSTEM No. 7: CALL DIVERSION SERVICES (revised in 1999) Q.732.2 Call forwarding busy 2.1 Introduction This Recommendation describes t
24、he stage 3 of the call offering supplementary service for the Integrated Services Digital Network (ISDN), by means of the signalling system No. 7 ISDN user part (ISUP). 2.1.1 Scope The diversion supplementary service comprises the following services: - Call Forwarding Busy (CFB); - - Call Forwarding
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