ECMA 213 : 3ED 2001

1 Scope
2 Conformance
3 References (normative)
4 Definitions
  4.1 External definitions
  4.2 Other definitions
      4.2.1 Busy
      4.2.2 Call, basic call
      4.2.3 Recall busy
      4.2.4 Recall busy timer
      4.2.5 Recall no answer
      4.2.6 Recall no answer timer
      4.2.7 Served user
      4.2.8 Waiting at busy user
5 List of acronyms
6 SS-RE stage 1 specification
  6.1 Description
      6.1.1 General description
      6.1.2 Qualifications on applicability to
             telecommunication services
  6.2 Procedures
      6.2.1 Provision/withdrawal
      6.2.2 Normal procedures
      6.2.3 Exceptional procedures
  6.3 Interactions with other supplementary services
      and ANFs
      6.3.1 Calling line identification presentation (SS-CLIP)
      6.3.2 Connected line identification presentation
             (SS-COLP)
      6.3.3 Calling/connected line identification restriction
             (SS-CLIR)
      6.3.4 Calling name identification presentation (SS-CNIP)
      6.3.5 Connected name identification presentation
             (SS-CONP)
      6.3.6 Calling/connected name identification restriction
             (SS-CNIR)
      6.3.7 Call forwarding unconditional (SS-CFU) and Call
             deflection immediate (SS-CDI)
      6.3.8 Call forwarding busy (SS-CFB)
      6.3.9 Call forwarding no reply (SS-CFNR) and Call
             deflection from alerting (SS-CDA)
      6.3.10 Do-not-disturb (SS-DND)
      6.3.11 Do-not-disturb override (SS-DNDO)
      6.3.12 Call completion to busy subscriber (SS-CCBS)
      6.3.13 Call completion on no reply (SS-CCNR)
      6.3.14 Call offer (SS-CO)
      6.3.15 Call transfer (SS-CT)
      6.3.16 Path replacement (ANF-PR)
      6.3.17 Call intrusion (SS-CI)
      6.3.18 Advice of charge (SS-AOC)
      6.3.19 Call interception (ANF-CINT)
  6.4 Interworking considerations
  6.5 Overall SDL
7 SS-RE stage 2 specification
  7.1 Functional model
      7.1.1 Functional model description
      7.1.2 Description of functional entities
      7.1.3 Relationship of functional model to basic call
             functional model
  7.2 Information flows
      7.2.1 Definition of information flows
      7.2.2 Relationship of information flows to Basic Call
             information flows
      7.2.3 Example of information flow sequences
  7.3 Functional entity actions
      7.3.1 Functional entity actions of FE1
      7.3.2 Functional entity actions of FE2
      7.3.3 Functional entity actions of FE3
      7.3.4 Functional entity actions of FE4
  7.4 Functional entity behaviour
      7.4.1 Behaviour of FE1
      7.4.2 Behaviour of FE2
      7.4.3 Behaviour of FE3
      7.4.4 Behaviour of FE4
  7.5 Allocation of functional entities to physical
      equipment

Defines supplementary service Recall (SS-RE) applying to various basic services supported by Private Integrated Services Networks (PISN). This is a supplementary service providing for redirection of a call transferred by the served user back to the served user should the call remain unanswered.