ECMA 161-1993 PRIVATE TELECOMMUNICATION NETWORKS - SIGNALLING AT THE S REFERENCE POINT - GENERIC FEATURE KEY MANAGEMENT PROTOCOL FOR THE CONTROL OF SUPPLEMENTARY SERVICES (PTN SSIG.pdf
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1、EUROPEAN COMPUTER MANUFACTURERS ASSOCIATIONSTANDARD ECMA-161PRIVATE TELECOMMUNICATION NETWORKS-SIGNALLING AT THE S REFERENCE POINT-GENERIC FEATURE KEY MANAGEMENT PROTOCOLFOR THE CONTROL OF SUPPLEMENTARY SERVICES(PTN SSIG-FK)2nd Edition - June 1993EUROPEAN COMPUTER MANUFACTURERS ASSOCIATIONSTANDARD E
2、CMA-161PRIVATE TELECOMMUNICATION NETWORKS-SIGNALLING AT THE S REFERENCE POINT-GENERIC FEATURE KEY MANAGEMENT PROTOCOLFOR THE CONTROL OF SUPPLEMENTARY SERVICES(PTN SSIG-FK)2nd Edition - June 1993Brief HistoryThis Standard is one of a series of ECMA standards defining services and signalling protocols
3、 applicable to PrivateTelecommunication Networks (PTNs). The series uses the ISDN concepts as developed by the ITU-TS and is also within theframework of standards for open systems interconnection as defined by ISO. It has been produced under ETSI IMCC workitem DE/ECMA-00027.This particular Standard
4、defines the feature key management stimulus protocol for use at the S reference point in support ofbasic circuit mode services.The feature key management protocol for Private Telecommunication Networks (PTNs) selects options from andcomplements CCITT Recommendation Q.932. The differences between thi
5、s Standard and the relevant section of Q.932 andthe impact of these differences on terminal interchangeability can be found in annex E.This Standard is based upon the practical experience of ECMA member companies and the results of their active andcontinuous participation in the work of ISO/IEC JTC1
6、, ITU-TS, ETSI and other international and national standardizationbodies. It represents a pragmatic and widely based consensus.Compared to the 1st Edition of Standard ECMA-161 (published by ECMA in December 1991), various changes have beenmade in order to achieve alignment with ETS 300 240 (which i
7、s based on the 1st Edition of ECMA-161 but modified duringPublic Enquiry and published by ETSI in June 1993).Accepted as 2nd Edition of Standard ECMA-161 by the General Assembly of June 1993.- i -Table of contentsPage1 Scope 12 Conformance 13 References 14 Definitions 14.1 Access 14.2 Endpoint Ident
8、ifier (EID) 14.3 Feature 14.4 Feature indication 14.5 Feature request 14.6 Private Telecommunication Network (PTN) 24.7 Private Telecommunication Network Exchange (PTNX) 24.8 Service profile 24.9 Service Profile Identifier (SPID) 24.10 Supplementary Service 24.11 Terminal Equipment (TE) 24.12 Termin
9、al Identifier (TID) 24.13 User 24.14 User Service Identifier (USID) 25 Acronyms and abbreviations 26 Feature Key Management Protocol 26.1 Messages 36.1.1 Messages used in association with a Call Reference 36.1.2 Messages used in association with the Dummy Call Reference 36.1.3 Additional information
10、 elements 36.2 Procedures 46.2.1 TE requests 46.2.2 PTN responses 56.2.3 General aspects 56.2.4 Error conditions 67 Coding of Information Elements 67.1 Dummy call reference 67.2 Calling party number 67.3 Cause 67.4 Display 67.5 Endpoint identifier 67.6 Feature activation 77.7 Feature indication 87.8
11、 Information request 97.9 Keypad facility 107.10 Signal 107.11 Service profile identification 10- ii -7.12 Switchhook 11Annex A - User Service Profiles and Terminal Identification 13Annex B - Information Request Procedures 17Annex C - Illustration of the Feature Key Management Protocol 19Annex D - P
12、rotocol Implementation Conformance Statement (PICS) Proformas 21Annex E - Relationship to Corresponding Standards for Public ISDNs 291 ScopeThis Standard defines the Feature Key Management signalling protocol for the purpose of supplementary servicecontrol at an interface at the S reference point be
13、tween a Terminal Equipment (TE) and a PrivateTelecommunication Network (PTN).The Feature Key Management protocol operates in conjunction with the signalling protocol specified in StandardETS 300 192 for circuit-switched call control. It is based on the use of the two information elements, Featureact
14、ivation and Feature indication. While the procedures associated with feature key invocation and indication arespecified in this Standard, the allocation of actual codes used to designate individual supplementary services isoutside the scope of this Standard.This Standard is applicable to the user ac
15、cesses of PTNs and to TEs which are intended for connection to PTNs.2 ConformanceIn order to conform to this Standard, a PTNX shall satisfy the requirements identified in the Protocol ImplementationConformance Statement (PICS) proforma in sub-clause D.3 of annex D.In order to conform to this Standar
16、d, a TE shall satisfy the requirements identified in the Protocol ImplementationConformance Statement (PICS) proforma in sub-clause D.4 of annex D.3 ReferencesECMA-105 Private Telecommunication Networks (PTN) - Signalling at the S Reference Point - Data LinkLayer Protocol (SSIG-L2) (1993)ETS 300 102
17、-1 Integrated Services Digital Network (ISDN); User-network interface layer 3; Specification forbasic call control; Application of CCITT Rec. Q.930/I.450 and Rec. Q.931/I.451 (1990)ETS 300 189 Private Telecommunication Network (PTN); Addressing (1992)ETS 300 192 Private Telecommunication Network (PT
18、N); Signalling protocol at the S-reference point;Circuit mode basic services (1992)CCITT Rec. I.112 Vocabulary of terms for ISDNs (1988)CCITT Rec. Q.932 Generic procedures for the control of ISDN supplementary services (1988)ENV 41007 Definition of terms in private telecommunication networks (1989)4
19、 DefinitionsFor the purpose of this Standard the following definitions apply.4.1 AccessThe definition of CCITT Rec. I.112 for “user-network access“ shall apply, with “telecommunication network“being interpreted as “PTN“.4.2 Endpoint Identifier (EID)Information used for terminal identification. The e
20、ndpoint identifier parameters contain a USID and TID andadditional information used to interpret them.4.3 FeatureA supplementary service or a user-initiated PTN action which constitutes one specific part of a supplementaryservice.4.4 Feature indicationAn indication of the status of a feature from th
21、e PTN to the user.4.5 Feature requestThe initiation of a feature by the user.- 2 -4.6 Private Telecommunication Network (PTN)The definition in ENV 41007 shall apply.4.7 Private Telecommunication Network Exchange (PTNX)The definition in ENV 41007 shall apply.4.8 Service profileThe information that th
22、e PTN maintains for a given user to characterize the service offered by the PTN to thatuser. As an example, this may contain the association of feature identifiers with specific supplementary services. Aservice profile may for example be allocated to a PTN access interface or to a particular TE or a
23、 group of TEs.4.9 Service Profile Identifier (SPID)Identifies a specific service profile in the case that a TE asks for automatic assignment of a USID and TID by thePTN. The SPID allows the PTN to distinguish between different terminals that would otherwise beindistinguishable (e.g. same PTN number)
24、. The SPID value is provided to the user when installing a serviceprofile and should uniquely identify that service profile.4.10 Supplementary ServiceA capability provided by a PTN to a PTN user over and above that of a basic call.4.11 Terminal Equipment (TE)The definition in ENV 41007 shall apply.4
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