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本文(ECMA 192-2001 Private Integrated Services Network (PISN) - Inter-Exchange Signalling Protocol - Call Offer Supplementary Service (4th Edition)《专用综合业务网络(PISN) 局间信令协议 呼叫提供补充业务 第4版》.pdf)为本站会员(brainfellow396)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

ECMA 192-2001 Private Integrated Services Network (PISN) - Inter-Exchange Signalling Protocol - Call Offer Supplementary Service (4th Edition)《专用综合业务网络(PISN) 局间信令协议 呼叫提供补充业务 第4版》.pdf

1、 Standard ECMA-192 4th Edition - December 2001 Standardizing Information and Communication Systems Private Integrated Services Network (PISN) - Inter-Exchange Signalling Protocol - Call Offer Supplementary Service Phone: +41 22 849.60.00 - Fax: +41 22 849.60.01 - URL: http:/www.ecma.ch - Internet: h

2、elpdeskecma.ch . Standard ECMA-192 4th Edition - December 2001 Standardizing Information and Communication Systems Private Integrated Services Network (PISN) - Inter-Exchange Signalling Protocol - Call Offer Supplementary Service (QSIG-CO) Phone: +41 22 849.60.00 - Fax: +41 22 849.60.01 - URL: http:

3、/www.ecma.ch - Internet: helpdeskecma.ch IW Ecma-192.doc 14-01-02 09,37 . Brief History This Standard is one of a series of ECMA Standards defining services and signalling protocols applicable to Private Integrated Services Networks (PISNs). The series uses ISDN concepts as developed by ITU-T and co

4、nforms to the framework of International Standards for Open Systems Interconnection as defined by ISO/IEC. This particular Standard specifies the signalling protocol for use at the Q reference point in support of the Call Offer supplementary service. The protocol defined in this Standard forms part

5、of the PSS1 protocol (informally known as QSIG). This Standard is based upon the practical experience of ECMA member companies and the results of their active and continuous participation in the work of ISO/IEC JTC1, ITU-T, ETSI and other international and national standardization bodies. It represe

6、nts a pragmatic and widely based consensus. Compared to the 1st and 2nd Editions of Standard ECMA-192 (published by ECMA in June 1993 and December 1994 respectively), the 3rd Edition incorporated changes in order to achieve complete alignment with International Standard ISO/IEC 14843:1996(E) publish

7、ed by ISO/IEC in September 1996. Compared to the 3rd Edition of Standard ECMA-192 (published by ECMA in June 1997), this 4th Edition incorporates migration to ASN.1 version 1997. Adopted as 4th Edition of Standard ECMA-192 by the General Assembly of December 2001. - i - Table of contents 1 Scope 1 2

8、 Conformance 1 3 References (normative) 1 4 Definitions 2 4.1 External definitions 2 4.2 Other definitions 2 4.2.1 Inter-PINX link 2 4.2.2 Path retention 3 4.2.3 Served User PINX 3 5 Acronyms 3 6 Signalling protocol for the support of SS-CO 3 6.1 SS-CO description 3 6.2 SS-CO operational requirement

9、s 3 6.2.1 Requirements on an Originating PINX 3 6.2.2 Requirements on a Terminating PINX 3 6.2.3 Requirements on a Transit PINX 3 6.3 SS-CO coding requirements 4 6.3.1 Operations 4 6.3.2 Notifications 6 6.3.3 Information elements 7 6.3.4 Messages 7 6.4 SS-CO state definitions 7 6.4.1 States at the O

10、riginating PINX 7 6.4.2 States at the Terminating PINX 7 6.5 SS-CO signalling procedures for activation, deactivation and registration 7 6.6 SS-CO signalling procedures for invocation and operation 7 6.6.1 Actions at the Originating PINX 8 6.6.2 Actions at the Terminating PINX 8 6.6.3 Actions at a T

11、ransit PINX 10 6.7 SS-CO impact of interworking with public ISDNs 10 6.8 SS-CO impact of interworking with non-ISDNs 10 6.9 Protocol interactions between SS-CO and other supplementary services and ANFs 10 6.9.1 Interaction with Calling Name Identification Presentation (SS-CNIP) 10 6.9.2 Interaction

12、with Connected Name Identification Presentation (SS-CONP) 10 6.9.3 Interaction with Call Completion to Busy Subscriber (SS-CCBS) 10 6.9.4 Interaction with Call Completion on No Reply (SS-CCNR) 10 6.9.5 Interaction with Call Transfer (SS-CT) 10 6.9.6 Interaction with Call Forwarding Unconditional (SS

13、-CFU) 11 - ii - 6.9.7 Interaction with Call Forwarding Busy (SS-CFB) 12 6.9.8 Interaction with Call Forwarding No Reply (SS-CFNR) 12 6.9.9 Interaction with Path Replacement (ANF-PR) 12 6.9.10 Interaction with Do Not Disturb (SS-DND) 12 6.9.11 Interaction with Do Not Disturb Override (SS-DNDO) 12 6.9

14、.12 Interaction with Call Intrusion (SS-CI) 13 6.10 SS-CO parameter values (timers) 13 6.10.1 Timer T1 13 Annex A - Signalling protocol for the support of Path Retention 15 Annex B - Protocol Implementation Conformance Statement (PICS) proforma 25 Annex C - Examples of message sequences 31 Annex D -

15、 Specification and Description Language (SDL) representation of procedures 35 Annex E - Imported ASN.1 definitions 39 Annex F - ASN.1 definitions according to ITU-T Recs. X.208 / X.209 41 1 Scope This Standard specifies the signalling protocol for the support of the Call Offer supplementary service

16、(SS-CO) at the Q reference point between Private Integrated services Network eXchanges (PINXs) connected together within a Private Integrated Services Network (PISN). SS-CO is a supplementary service which, on request from the calling user (or on that users behalf), enables a call to be offered to a

17、 busy called user and to wait for that called user to accept this call. The Q reference point is defined in ECMA-133. Service specifications are produced in three stages and according to the method specified in ETS 300 387. This Standard contains the stage 3 specification for the Q reference point a

18、nd satisfies the requirements identified by the stage 1 and stage 2 specifications in ECMA-191. The signalling protocol for SS-CO operates on top of the signalling protocol for basic circuit switched call control, as specified in ECMA-143, and uses certain aspects of the generic procedures for the c

19、ontrol of supplementary services specified in ECMA-165. This Standard also specifies additional signalling protocol requirements for the support of interactions at the Q reference point between SS-CO and other supplementary services and ANFs. NOTE Additional interactions that have no impact on the s

20、ignalling protocol at the Q reference point can be found in the relevant stage 1 specifications. This Standard is applicable to PINXs which can interconnect to form a PISN. 2 Conformance In order to conform to this Standard, a PINX shall satisfy the requirements identified in the Protocol Implementa

21、tion Conformance Statement (PICS) proforma in annex B. 3 References (normative) The following standards contain provisions which, through reference in this text, constitute provisions of this Standard. All standards are subject to revision, and parties to agreements based on this Standard are encour

22、aged to investigate the possibility of applying the most recent editions of the standards indicated below. In the case of references to ECMA Standards that are aligned with ISO/IEC International Standards, the number of the appropriate ISO/IEC International Standard is given in brackets after the EC

23、MA reference. ECMA-133 Private Integrated Services Network (PISN) - Reference Configuration for PISN Exchanges (PINX) (International Standard ISO/IEC 11579-1) ECMA-142 Private Integrated Services Network (PISN) - Circuit-mode 64 kbit/s Bearer Services - Service Description, Functional Capabilities a

24、nd Information Flows (International Standard ISO/IEC 11574) ECMA-143 Private Integrated Services Network (PISN) - Circuit-mode Bearer Services - Inter-Exchange Signalling Procedures and Protocol (International Standard ISO/IEC 11572) ECMA-165 Private Integrated Services Network (PISN) - Generic Func

25、tional Protocol for the Support of Supplementary Services - Inter-Exchange Signalling Procedures and Protocol (International Standard ISO/IEC 11582) ECMA-174 Private Integrated Services Network (PISN) - Inter-Exchange Signalling Protocol - Call Diversion Supplementary Services (International Standar

26、d ISO/IEC 13873) ECMA-177 Private Integrated Services Network (PISN) - Specification, Functional Model and Information Flows - Call Transfer Supplementary Service (International Standard ISO/IEC 13865) - 2 - ECMA-178 Private Integrated Services Network (PISN) - Inter-Exchange Signalling Protocol - C

27、all Transfer Supplementary Service (International Standard ISO/IEC 13869) ECMA-191 Private Integrated Services Network (PISN) - Specification, Functional Model and Information Flows - Call Offer Supplementary Service (International Standard ISO/IEC 14841) ECMA-194 Private Integrated Services Network

28、 (PISN) - Inter-Exchange Signalling Protocol - Do Not Disturb and Do Not Disturb Override Supplementary Services (International Standard ISO/IEC 14844) ECMA-203 Private Integrated Services Network (PISN) - Inter-Exchange Signalling Protocol - Call Intrusion Supplementary Service (International Stand

29、ard ISO/IEC 14846) ETS 300 387 Private Telecommunication Network (PTN); Method for the specification of basic and supplementary services (1994) ITU-T Rec. I.112 Vocabulary of terms for ISDNs (1993) ITU-T Rec. I.210 Principles of telecommunication services supported by an ISDN and the means to descri

30、be them (1993) ITU-T Rec. Q.950 Supplementary services protocols, structure and general principles (2000) ITU-T Rec. Z.100 Specification and description language (1999) 4 Definitions For the purposes of this Standard, the following definitions apply. 4.1 External definitions This Standard uses the f

31、ollowing terms defined in other documents: - Application Protocol Data Unit (APDU) (ECMA-165) - Basic Service (ITU-T Rec. I.210) - Call, Basic Call (ECMA-165) - Coordination Function (ECMA-165) - Diverted-to PINX (ECMA-174) - Notification (ECMA-165) - Originating PINX (ECMA-143) - Private Integrated

32、 Services Network (PISN) (ECMA-133) - Private Integrated services Network eXchange (PINX) (ECMA-133) - Rerouteing PINX (ECMA-174) - Served User (ECMA-174) - Signalling (ITU-T Rec. I.112) - Supplementary Service (ITU-T Rec. I.210) - Supplementary Services Control Entity (ECMA-165) - Terminating PINX

33、(ECMA-143) - Transit PINX (ECMA-143) - User (ECMA-142) 4.2 Other definitions 4.2.1 Inter-PINX link The totality of a signalling channel and a number of user information channels at the Q reference point. - 3 - 4.2.2 Path retention The retaining of the network connection between the Originating PINX

34、and the Terminating PINX so that a supplementary service (such as SS-CO) can be invoked without establishing a new connection. 4.2.3 Served User PINX The PINX serving the served user. 5 Acronyms ANF Additional Network Feature APDU Application Protocol Data Unit ASN.1 Abstract Syntax Notation no. 1 I

35、SDN Integrated Services Digital Network NFE Network Facility Extension PICS Protocol Implementation Conformance Statement PINX Private Integrated services Network eXchange PISN Private Integrated Services Network SDL Specification and Description Language SS-CO Call Offer supplementary service 6 Sig

36、nalling protocol for the support of SS-CO 6.1 SS-CO description Call Offer (SS-CO) is a supplementary service which, on request from the calling user (or on that users behalf), enables a call to be offered to a busy called user and to wait for that called user to accept this call. SS-CO is applicabl

37、e to all circuit mode basic services defined in ECMA-142. 6.2 SS-CO operational requirements 6.2.1 Requirements on an Originating PINX Call establishment procedures for the outgoing side of an inter-PINX link and call release procedures, as specified in ECMA-143, shall apply. Generic procedures for

38、the call-related control of supplementary services, as specified in ECMA-165 for an End PINX, shall apply. 6.2.2 Requirements on a Terminating PINX Call establishment procedures for the incoming side of an inter-PINX link and call release procedures, as specified in ECMA-143, shall apply. Generic pr

39、ocedures for the call-related control of supplementary services, as specified in ECMA-165 for an End PINX, shall apply. 6.2.3 Requirements on a Transit PINX Basic call procedures specified in ECMA-143 for a Transit PINX shall apply. Generic procedures for the call-related control of supplementary se

40、rvices, as specified in ECMA-165 for a Transit PINX, shall apply. For SS-CO the requirements are limited to the passing on of Facility information elements for which the destination, as indicated in the NFE, is not the Transit PINX. - 4 - 6.3 SS-CO coding requirements 6.3.1 Operations The operations

41、 defined in Abstract Syntax Notation number 1 (ASN.1) in table 1 shall apply. The notation is in accordance with ITU-T Rec. X.680 and X.690. The ITU-T Rec. X.208 and X.209 superseded version is in annex F. Table 1 - Operations in support of SS-CO Call-Offer-Operations-asn1-97 iso(1) standard(0) pss1

42、-call-offer(14843) call-offer-operations-asn1-97 (2) DEFINITIONS EXPLICIT TAGS := BEGIN IMPORTS OPERATION, ERROR FROM Remote-Operations-Information-Objects joint-iso-itu-t remote-operations(4) informationObjects(5) version1(0) EXTENSION, Extension FROM Manufacturer-specific-service-extension-class-a

43、sn1-97 iso(1) standard(0) pss1-generic-procedures(11582) msi-class-asn1-97 (11) notAvailable, supplementaryServiceInteractionNotAllowed FROM General-Error-List ccitt recommendation q 950 general-error-list (1); Call-Offer-Operations OPERATION := callOfferRequest | pathRetain | serviceAvailable | cfb

44、Override pathRetain OPERATION := ARGUMENT PathRetainArg RETURN RESULT FALSE ALWAYS RESPONDS FALSE CODE local: 41 - this operation may be used by other supplementary services - using other values of argument serviceAvailable OPERATION := ARGUMENT ServiceAvailableArg RETURN RESULT FALSE ALWAYS RESPOND

45、S FALSE CODE local: 42 - this operation may be used by other supplementary services - using other values of argument - 5 - Table 1 - Operations in support of SS-CO (continued) callOfferRequest OPERATION := ARGUMENT DummyArg RESULT DummyRes ERRORS notAvailable | notBusy | temporarilyUnavailable | sup

46、plementaryServiceInteractionNotAllowed | unspecified CODE local: 34 PathRetainArg := CHOICE serviceList ServiceList, extendedServiceList SEQUENCE serviceList ServiceList, extension ExtensionCOExtSet ServiceAvailableArg := CHOICE serviceList ServiceList, extendedServiceList SEQUENCE serviceList Servi

47、ceList, extension ExtensionCOExtSet ServiceList := BIT STRING callOffer(0) (SIZE(132) - bits other than callOffer(0) are reserved for - other supplementary services DummyArg := CHOICE null NULL, extension 1 IMPLICIT ExtensionCOExtSet, sequenceOfExtn 2 IMPLICIT SEQUENCE OF ExtensionCOExtSet DummyRes

48、:= CHOICE null NULL, extension 1 IMPLICIT ExtensionCOExtSet, sequenceOfExtn 2 IMPLICIT SEQUENCE OF ExtensionCOExtSet - 6 - Table 1 - Operations in support of SS-CO (concluded) cfbOverride OPERATION := ARGUMENT DummyArg RETURN RESULT FALSE ALWAYS RESPONDS FALSE CODE local: 49 - used in the interactio

49、n with Call Forwarding Busy COExtSet EXTENSION := notBusy ERROR := CODE local: 1009 - used when an SS-CO request is received in - a Terminating PINX and the called user is not busy temporarilyUnavailable ERROR := CODE local: 1000 - used when conditions for invocation of SS-CO - are momentarily not met unspecified ERROR := PARAMETER Extension COExtSet CODE local: 1008 END - of Call-Offer-Operations-asn1-97 6.3.2 Notifications The notification defined in

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