CORPORATE TELECOMMUNICATION NETWORKS (CN); SIGNALLING INTERWORKING BETWEEN QSIG AND SIP; BASIC SERVICES

Available format(s)

Hardcopy , PDF

Language(s)

English

Publisher

European Telecommunications Standards Institute

Intellectual Property Rights
Foreword
Introduction
1 Scope
2 Conformance
3 References
4 Terminology and Definitions
   4.1 External definitions
   4.2 Other definitions
5 Acronyms
6 Background and Architecture
7 General Requirements
8 Message Mapping Requirements
   8.1 Message Validation and Handling of Protocol Errors
   8.2 Call Establishment from QSIG to SIP
   8.3 Call Establishment from SIP to QSIG
   8.4 Call Clearing and Call Failure
   8.5 Request to Change Media Characteristics
9 Number Mapping
   9.1 Mapping from QSIG to SIP
   9.2 Mapping from SIP to QSIG
10 Requirements for Support of Basic Services
   10.1 Derivation of QSIG Bearer Capability Information Element
   10.2 Derivation of Media Type in SDP
11 Security Considerations
   11.1 General
   11.2 Calls from QSIG to Invalid or Restricted Numbers
   11.3 Abuse of SIP Response Code
   11.4 Use of the To Header URI
   11.5 Use of the From Header URI
   11.6 Abuse of Early Media
   11.7 Protection from Denial-of-Service Attacks
Annex A (normative): Implementation Conformance Statement (ICS)
        proforma
      A.1 Introduction
      A.2 Instructions for completing the ICS proforma
      A.3 Identification of the implementation
      A.4 General requirements
      A.5 Call establishment from QSIG to SIP using en bloc
           procedures
      A.6 Call establishment from QSIG to SIP using overlap
           procedures in QSIG network and en bloc procedures
           in SIP network
      A.7 Call establishment from QSIG to SIP using overlap
           procedures in QSIG network and in SIP network
      A.8 Call establishment from SIP to QSIG
      A.9 Call clearing and call failure
      A.10 Other requirements
Annex B (informative): Example Message Sequences
      B.1 Introduction
      B.2 Message Sequences for Call Establishment from QSIG
           to SIP
      B.3 Message sequences for call establishment from SIP
           to QSIG
      B.4 Message sequence for Call Clearing from QSIG to SIP
      B.5 Message sequence for Call Clearing from SIP to QSIG
Annex C (informative): Bibliography
History

Defines signalling interworking between QSIG and the Session Initiation Protocol (SIP) in support of basic services within a corporate telecommunication network (CN).

Committee	ECMA
DocumentType	Standard
Pages	50
PublisherName	European Telecommunications Standards Institute
Status	Current

ISO/IEC 11571:1998	Information technology Telecommunications and information exchange between systems Private Integrated Services Networks Addressing
ISO/IEC 11572:2000	Information technology Telecommunications and information exchange between systems Private Integrated Services Network Circuit mode bearer services Inter-exchange signalling procedures and protocol
ISO/IEC 11582:2002	Information technology Telecommunications and information exchange between systems Private Integrated Services Network Generic functional protocol for the support of supplementary services Inter-exchange signalling procedures and protocol
ECMA 143 : 4ED 2001	PRIVATE INTEGRATED SERVICES NETWORK (PISN) - CIRCUIT MODE BEARER SERVICES - INTER-EXCHANGE SIGNALLING PROCEDURES AND PROTOCOL (QSIG-BC)
ECMA 155 : 2ED 97	PRIVATE INTEGRATED SERVICES NETWORKS - ADDRESSING
ECMA 165 : 2001 ERRATA 2002	PRIVATE INTEGRATED SERVICES NETWORK (PISN) - GENERIC FUNCTIONAL PROTOCOL FOR THE SUPPORT OF SUPPLEMENTARY SERVICES - INTER-EXCHANGE SIGNALLING PROCEDURES AND PROTOCOL (QSIG-GF)