ITU-T SERIES Q SUPP 24-1999 Technical Report TRQ 3020 Operation of the Bearer Independent Call Control (BICC) Protocol with Broadband Integrated Services Digital Network User Part S.pdf

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1、INTERNATIONAL TELECOMMUNICATION UNION ITU=T TELECOMM UN I CATI ON STANDARDIZATION SECTOR OF ITU Series Q Supplement 24 (I 211 999) SERIES Q: SWITCHING AND SIGNALLING Technical Report TRQ.3020: Operation of the Bearer Independent Call Control (BICC) protocol with broad band integrated services dig it

2、a1 network User Part (B-ISUP) for AAL type I adaptation ITU-T Q-series Recommendations - Supplement 24 (Formerly CCITT Recommendations) COPYRIGHT International Telecommunications Union/ITU TelecommunicationsLicensed by Information Handling ServicesITU-T Q-SERIES RECOMMENDATIONS SWITCHING AND SIGNALL

3、ING SIGNALLING IN THE INTERNATIONAL MANUAL SERVICE FUNCTIONS AND INFORMATION FLOWS FOR SERVICES IN THE ISDN SPECIFICATIONS OF SIGNALLING SYSTEMS No. 4 AND No. 5 SPECIFICATIONS OF SIGNALLING SYSTEM No. 6 SPECIFICATIONS OF SIGNALLING SYSTEM R1 SPECIFICATIONS OF SIGNALLING SYSTEM R2 DIGITAL EXCHANGES I

4、NTERWORKING OF SIGNALLING SYSTEMS SPECIFICATIONS OF SIGNALLING SYSTEM No. 7 DIGITAL SUBSCRIBER SIGNALLING SYSTEM No. 1 PUBLIC LAND MOBILE NETWORK INTERWORKING WITH SATELLITE MOBILE SYSTEMS INTELLIGENT NETWORK BROADBAND ISDN INTERNATIONAL AUTOMATIC AND SEMI-AUTOMATIC WORKING CLAUSES APPLICABLE TO ITU

5、-T STANDARD SYSTEMS SIGNALLING REQUIREMENTS AND PROTOCOLS FOR IMT-2000 Q.l-Q.3 Q.4-Q. 59 Q.60-Q.99 Q.100-Q.119 4.250-4.309 Q.120-4.249 Q.3 10-Q.399 Q.400-Q.499 QSOO-Q.599 4.600-4.699 Q.700-Q.849 Q. 1000-Q. 1099 Q.1100-Q.1199 Q. 1200-4.1699 Q.1700-Q. 1799 Q.850-Q.999 4.2000-4.2999 For further details

6、, please refer to the list of ITU-T Recommendations. COPYRIGHT International Telecommunications Union/ITU TelecommunicationsLicensed by Information Handling ServicesSupplement 24 to ITU-T Q-series Recommendations Technical Report TRQ.3020: Operation of the Bearer Independent Call Control (BICC) prot

7、ocol with broadband integrated services digital network User Part (B-ISUP) for AAL type 1 adaptation Summary This Supplement to ITU-T Recommendation Q. 1901 describes the general aspects of the operation of the Bearer Independent Call Control (BICC) protocol with Broadband Integrated Services Digita

8、l Network (B-ISDN) User Part (B-ISUP) for AAL Type 1 Adaptation. Source Supplement 24 to ITU-T Q-series Recommendations was prepared by ITU-T Study Group 11 (1997-2000) and approved under the WTSC Resolution 5 procedure on 3 December 1999. Q series - Supplement 24 (12/1999) 1 COPYRIGHT International

9、 Telecommunications Union/ITU TelecommunicationsLicensed by Information Handling ServicesSTD-ITU-T RECMN SERIES Q SUPP 24-ENGL FOREWORD The International Telecommunication Union (ITU) is the United Nations specialized agency in the field of telecommunications. The ITU Telecommunication Standardizati

10、on Sector (ITU-T) is a permanent organ of ITU. 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 me

11、ets every four years, establishes the topics for study by the ITU-T study groups which, in turn, produce Recommendations on these topics. The approval of ITU-T Recommendations is covered by the procedure laid down in WTSC Resolution 1. In some areas of information technology which fall within ITU-Ts

12、 purview, the necessary standards are prepared on a collaborative basis with IS0 and IEC. NOTE In this publication, the expression “Administration“ is used for conciseness to indicate both a telecommunication administration and a recognized operating agency. INTELLECTUAL PROPERTY RIGHTS ITU draws at

13、tention to the possibility that the practice or implementation of this publication may involve the use of a claimed Intellectual Property Right. ITU takes no position concerning the evidence, validity or applicability of claimed Intellectual Property Rights, whether asserted by ITU members or others

14、 outside of the publication development process. As of the date of approval of this publication, ITU had not received notice of intellectual property, protected by patents, which may be required to implement this publication. However, implementors are cautioned that this may not represent the latest

15、 information and are therefore strongly urged to consult the TSB patent database. O ITU 2001 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, without permission in writing from

16、the ITU. 11 Q series - Supplement 24 (12/1999) COPYRIGHT International Telecommunications Union/ITU TelecommunicationsLicensed by Information Handling ServicesCONTENTS 1 2 3 4 5 5.1 5.2 5.3 5.4 Scope . References . Definitions Abbreviations Mapping Functions between BICC Signalling Entity and B-ISUP

17、 Signalling Entity . Binding information Bearer Service Information . Address Information . Cause . Q series . Supplement 24 (1211999) Page 1 1 2 2 . 111 COPYRIGHT International Telecommunications Union/ITU TelecommunicationsLicensed by Information Handling Services- - STDeITU-T KECMN SERIES Q SUPP

18、2q-ENGL 1999 48b257L LSb8b497 28b m - -_ 7 Supplement 24 to ITU-T Q-series Recommendations Technical Report TRQ.3020: Operation of the Bearer Independent Call Control (BICC) protocol with broadband integrated services digital network User Part (B-ISUP) for AAL type 1 adaptation 1 Scope This Suppleme

19、nt contains information relevant to the operation of the Bearer Independent Call Control (BICC) protocol with the B-ISUP signalling protocol used for the control of AAL Type 1 bearer connections. Information which is relevant to be passed between the BICC signalling entity and B-ISUP signalling enti

20、ty is identified. The dashed box of Figure 1-1 shows the scope of this Supplement. Interaction with the layer management is outside the scope of this Supplement. 1 SAP -b BICC signalling PDUs primitives r - - 1 I CSF BCF I Scope of this Supplement I 1 B-ISUP B-ISUP Signalling PDUs , Signalling T1111

21、1160-01 End Point - Figure 1-1 - Scope of this Supplement 2 References The following Recommendations and other references contain provisions which, through reference in this text, constitute provisions of this Supplement. At the time of publication, the editions indicated were valid. All supplements

22、 and other references are subject to revision; all users of this Supplement are therefore encouraged to investigate the possibility of applying the most recent edition of the supplements and other references listed below. A list of the currently valid ITU-T Recommendations and supplements is regular

23、ly published. - ITU-T Recommendation 1.356 (2000), B-ISDN ATM layer cell transfer performance. - JTU-T Recommendation 1.363.1 (1996), B-ZSDN ATM Adaptation Layer specijication: Type 1 AAL. Q series - Supplement 24 (12/1999) 1 COPYRIGHT International Telecommunications Union/ITU TelecommunicationsLic

24、ensed by Information Handling ServicesSTD=ITLJ-T RECMN SERIES Q SUPP ZLi-ENGL 1757 qdb2571 008b478 112 - - ITU-T Recommendation 1.37 1 (2000), Trafjc control and congestion control in B-ISDN. IT-T Recommendation Q.763 (1999), Signalling System No.7 - LSDN User Part - Formats and Codes. ITU-T Recomme

25、ndation Q.765 (1998), Signalling System No. 7 - Application transport mechanism. ITU-T Recommendation Q.850 (1998), Use of cause and location in the Digital Subscriber Signalling System No. 1 and the Signalling System No. 7 ISDN User Part. IT-T Recommendation Q. 1901 (2000), Bearer Independent Call

26、Control Protocol. ITU-T Recommendation 4.2610 (1999), Usage of cause and location in B-ISDN User Part and DSS2. - ITU-T Recommendation Q.2726.4 (2000), Extensions to the B-ISDN User Part - Application generated identifzers. ITU-T Recommendation 4.2763 (1999), Signalling System No. 7 B-ISDN User Part

27、 ITU-T Recommendation 4.2764 (1999), Signalling System No. 7 B-ISDN User Part (B-ISUP) -Basic Call Procedures. ITU-T Recommendation 4.2961.2 (1997), Digital subcriber signalling system No. 2 - Additional traffic parameters: Support of ATM transfer capability in the broadband bearer capability in for

28、mation element. ITU-T Recommendation 4.2965.1 (1 999), Digital subscriber Signalling System No. 2 - Support of Qualis of Service classes. ITU-T Recommendation X.200 (1 994) I ISO/IEC 7498-1 : 1994, Information technology - Open System Interconnection - Basic Reference Model: The Basic Model. ITU-T R

29、ecommendation X.210 (1993) I ISO/IEC 1073 1 : 1994, Information technology - Open System Interconnection - Basic Reference Model: Conventions for the definition of OSI Services. - - - - - I (B-ISUP) -Formats and codes. - - - - - 3 Definitions No new definitions are needed. 4 Abbreviations This Suppl

30、ement uses the following abbreviations: AAL ATM Adaptation Layer ATM Asynchronous Transfer Mode BCF Bearer Control Function BICC Bearer Independent Call Control B-ISDN B-ISUP Broadband ISDN User Part BIWF Bearer Interworking Function BNC-ID Backbone Network Connection Identifier Broadband Integrated

31、 Services Digital Network 2 Q series - Supplement 24 (12/1999) COPYRIGHT International Telecommunications Union/ITU TelecommunicationsLicensed by Information Handling ServicesBTC CBR cs-1 CSF DBR IAM ISN N-ISDN PCR QOS T-BIWF TMR BICC Signalling Entity (Parameter) Application transport parameter (BN

32、C-ID) Broadband Transfer Capability Constant Bit Rate Capability Set 1 Call Service Function Deterministic Bit Rate Initial Address Message Interface Serving Node Narrowband Integrated Services Digital Network Peak Cell Rate Quality of Service Terminating Bearer Interworking Function Transmission Me

33、dium Requirement B-ISUP Signalling Entity (Parameter) Application generated identifiers (BNC-ID) 5 signalling entity: 1) binding information; 2) bearer service information; 3) address information; and 4) cause. The mapping reflected in the tables of this clause show the parameter names followed by t

34、he information contents in parentheses. The originating BIWF is always viewed as an originating exchange in the context of the B-ISUP Recommendations. Similarly, the terminating BIWF is always viewed as a destination exchange. Mapping Functions between BICC Signalling Entity and B-ISUP Signalling En

35、tity I The following subclauses list the information passed between the BICC signalling entity and B-ISUP 5.1 Binding information Binding information is used to associate the call control signalling and bearer control signalling for the establishment of an AAL Type 1 bearer connection. The Backbone

36、Network Connection Identifier (BNC-ID) is carried by the call control in the Application transport parameter. The BNC-ID is carried by bearer control in the Application generated identifiers parameter. The mapping of the binding information between BICC signalling entitiy and B-ISUP signalling entit

37、iy is shown in Table 5- 1. Table 5-1 - Mapping of binding information Q series - Supplement 24 (12/1999) 3 COPYRIGHT International Telecommunications Union/ITU TelecommunicationsLicensed by Information Handling ServicesSTDOITU-T RECMN SERIES Q SUPP 24-ENGL 1999 m 118b25711 ObAb500 bTO Parameters use

38、d to describe network relevant bearer attributes 5.2 Bearer Service Information This subclause defines the mapping of the bearer service information contained in the BICC TMR parameter to the required B-ISUP parameters for the support of AAL Type 1 bearer connections. NOTE - BICC codec information i

39、s not used by this Supplement. The B-ISUP parameters required for the mapping of the bearer service information are shown in Table 5-2. Parameters used to describe lower layer attributes Table 5-2 - B-ISUP Parameters required for the Mapping of Bearer Service Information Bearer class BTC Susceptibil

40、ity to clipping User plane configuration X X X 7 (Note 1) 7 (Note 1) 5 Not susceptible to clipping Point-to-point I B-ISUP related I - Broadband Bearer Capability I ATM adaptation layer parameters I QoS class forward QoS class backward (AAL parameters) - ATM cell rate - QoS parameter parameters (see

41、 4.2763) 1 (Note 2) O (Note 3) O (Note 3) 1 (Note 2) O (Note 3) O (Note 3) Table 5-3 shows the mapping between the BICC TMR parameter and the B-ISUP Broadband bearer capability parameter and QoS parameter. This mapping is independent of the TMR parameter codes. Table 5-4 shows the mapping between th

42、e BICC TMR parameter and B-ISUP AAL parameters Constant Bit Rate (CBR) and Multiplier subfields. Table 5-5 shows the mapping between the BICC TMR parameter and the ATM peak cell rates (CLP = O + 1) signalled in the ATM cell rate parameter. For each TMR parameter code, a value for the peak cell rate

43、is selected such that the bit rate of the corresponding N-ISDN service (e.g. 64 kbits, N x 64 kbits) can be transported as the cell payload of the ATM cells, i.e. excluding the overhead of the ATM cell and AAL Type 1 header. I parameter. The mapping is independent of the TMR parameter codes, except

44、for the B-ISUP NOTE 2 - The requested 1.356 QoS Class is Class 1 (stringent QoS class) (see 4.2965.1). NOTE 3 - No specific 1.356 QoS class is explicitly requested (see Q.2965.1). 4 Q series - Supplement 24 (12/1999) COPYRIGHT International Telecommunications Union/ITU TelecommunicationsLicensed by

45、Information Handling Services384 kbits unrestricted Speech, 64 kbit/s unrestricted or 3.1 kHz audio 1536 kbit/s 1920 kbits N*64 kbit,s unrestricted unrestricted AAL type Subtype CBR rate Multiplier Source clock frequency recovery method I Error correction method 1 (AAL Type 1) 2 (Circuit transport)

46、1 64 64 64 64 (64 kbit/s) (N) 64 (N) x 64 (N) x 64 N*64 kbith kbits kbit/s kbit/s Not applicable 6 24 30 N O (Null) O (Null) BICC Signalling Entity I SDT block size (Note) I 1 I N I B-ISUP Signalling Entity I Partially filled cells TMR Codes 00000000 00000010 47 (Full) TMR DEFINITION PCR Speech 17 1

47、 cellss 64 kbit/s unrestricted 171 cellss NOTE - For single channel adaptation using AAL Type 1, the SDT block size is set to 1. For 384 kbits, 1536 kbit/s, 1920 kbits, and N*64, where N 1, the SDT block size is set to N. 000001 10 00000111 O001 O000 64 kbit/s preferred 171 cellss 2 x 64 kbit/s unre

48、stricted 341 cellds 3 x 64 kbit/s unrestricted 51 1 cells/s TMR ATM cell rate FonvardlBackward peak cell rate (CLP = O + 1) (no OAM cells) (Note) 0000001 1 I 3.1 kHz audio I 171 cellss 00001000 I 384 kbits unrestricted I 1022 cellss 00001001 I 1536 kbit/s unrestricted I 4086 cellss 00001010 I 1920 k

49、bit/s unrestricted I 5 107 cells/s I O001 O001 I 4 x 64 kbit/s unrestricted I 681 cellss I000100 1 o I 5 x 64 kbit/s unrestricted I 852 cellds Q series - Supplement 24 (121999) 5 COPYRIGHT International Telecommunications Union/ITU TelecommunicationsLicensed by Information Handling ServicesSTD=ITU-T RECMN SERIES Q SUPP 24-ENGL 1999 m VAb2591 ObAb502 473 = 00010011 6 x 64 kbits unrestricted 1022 cellss O00 1 o 1 O0 1 192 cells/s 7 x 64 kbits unrestricted Table 5-5 - Mapping of BICC TMR Codes and ATM Peak Cell Rates in the ATM Cell Rate Param