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ECMA 361 : 1ED 2004

Current

Current

The latest, up-to-date edition.

CORPORATE TELECOMMUNICATION NETWORKS - SIGNALLING INTERWORKING BETWEEN QSIG AND SIP - CALL TRANSFER

Published date

12-01-2013

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1 Scope
2 References
3 Terminology
4 Definitions
  4.1 External definitions
  4.2 Other definitions
      4.2.1 User A
      4.2.2 User B
      4.2.3 User C
      4.2.4 Call transfer
      4.2.5 Single step call transfer
      4.2.6 Call transfer by join
      4.2.7 Call transfer by rerouteing
      4.2.8 Corporate telecommunication Network (CN)
      4.2.9 IP network
      4.2.10 Private Integrated Services Network (PISN)
      4.2.11 Private Integrated services Network eXchange (PINX)
5 Abbreviations and acronyms
6 Background and architecture
7 Procedures
  7.1 Call transfers in QSIG
  7.2 Call transfer in SIP
  7.3 Scope of the interworking functions
      7.3.1 QSIG side
      7.3.2 SIP side
      7.3.3 Discussion over transfer interworking functions
  7.4 Mapping of numbers and URIs
  7.5 UAC Processing
      7.5.1 Receipt of a FACILITY message with callTransferComplete
            invoke APDU
      7.5.2 Receipt of a FACILITY message with callTransferUpdate
            invoke APDU
      7.5.3 Receipt of a FACILITY message with ssctInitiate
            invoke APDU
      7.5.4 Receipt of a SETUP message with ssctSetup invoke APDU
      7.5.5 Receipt of a FACILITY message with subaddressTransfer
            invoke APDU
  7.6 UAS Processing
      7.6.1 Receipt of a SIP REFER request
      7.6.2 Receipt of a SIP INVITE request
      7.6.3 Receipt of a SIP request with revised identity
8 Example message sequences
  8.1 Call transfer by join where User B and C are SIP
      participants
  8.2 Call transfer where User A is a SIP participant
  8.3 Call transfer where User A is a SIP participant and
      where two gateways are used
  8.4 Call transfer where User A and User B are SIP participants
  8.5 Single step call transfer where User B is a SIP participant
  8.6 Unsuccessful Single step call transfer where User A
      and User C are SIP participants
  8.7 Single step call transfer where User A and User B
      are SIP participants
9 Security considerations

Defines call transfer interworking between the Session Initiation Protocol (SIP) and "QSIG" within corporate telecommunication networks (CN), also known as enterprise networks.

DocumentType
Standard
PublisherName
European Computer Manufacturers Association
Status
Current

ISO/IEC 19459:2001 Information technology Telecommunications and information exchange between systems Private Integrated Services Network Specification, functional model and information flows Single Step Call Transfer Supplementary Service
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 19460:2003 Information technology Telecommunications and information exchange between systems Private Integrated Services Network Inter-exchange signalling protocol Single Step Call Transfer supplementary service
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
ISO/IEC 13865:2003 Information technology — Telecommunications and information exchange between systems — Private Integrated Services Network — Specification, functional model and information flows — Call Transfer supplementary service
ISO/IEC 17343:2007 Information technology — Telecommunications and information exchange between systems — Corporate telecommunication networks — Signalling interworking between QSIG and SIP — Basic services
ECMA/TR 86 : 1ED 2003 CORPORATE TELECOMMUNICATION NETWORKS - USER IDENTIFICATION IN A SIP/QSIG ENVIRONMENT
ISO/IEC 13869:2003 Information technology — Telecommunications and information exchange between systems — Private Integrated Services Network — Inter-exchange signalling protocol — Call Transfer supplementary service

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