ECMA 241 : 4ED 2002

1 Scope
2 Conformance
3 References (normative)
4 Definitions
   4.1 External definitions
   4.2 Other definitions
        4.2.1 Served User
        4.2.2 Message Centre
        4.2.3 Message Waiting Indication
5 List of acronyms
6 SS-MWI 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/Additional Network Features
        6.3.1 Advice of Charge (AOC)
        6.3.2 Call Deflection (CD)
        6.3.3 Call Forwarding Unconditional (CFU)
        6.3.4 Call Forwarding Busy (CFB)
        6.3.5 Call Forwarding No Reply (CFNR)
        6.3.6 Call Interception (CINT)
        6.3.7 Call Intrusion (CI)
        6.3.8 Call Offer (CO)
        6.3.9 Call Transfer (CT)
        6.3.10 Calling/Connected Line Identification
               Restriction (CLIR)
        6.3.11 Calling/Connected Name Identification
               Restriction (CNIR)
        6.3.12 Calling Line Identification Presentation
               (CLIP)
        6.3.13 Calling Name Identification Presentation
               (CNIP)
        6.3.14 Connected Line Identification Presentation
               (COLP)
        6.3.15 Connected Name Identification Presentation
               (CONP)
        6.3.16 Completion of Calls to Busy Subscribers
               (CCBS)
        6.3.17 Completion of Calls on No Reply (CCNR)
        6.3.18 Do Not Disturb (DND)
        6.3.19 Do Not Disturb Override (DNDO)
        6.3.20 Path Replacement (PR)
        6.3.21 Recall (RE)
        6.3.22 Route Restriction Class (RRC)
        6.3.23 Wireless Terminal Location Registration
               (WTLR)
        6.3.24 Wireless Terminal Mobility Incoming Call
               (WTMI)
        6.3.25 Wireless Terminal Mobility Outgoing Call
               (WTMO)
        6.3.26 Authentication of a WTM user (WTAT)
        6.3.27 Authentication of the PISN (WTAN)
   6.4 Interworking considerations
   6.5 Overall SDL
7 SS-MWI 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 Information flow sequences
   7.3 Functional Entity actions
        7.3.1 Functional Entity actions of FE1
        7.3.2 Functional Entity actions of FE2
   7.4 Functional Entity behaviour
        7.4.1 Behaviour of FE1
        7.4.2 Behaviour of FE2
   7.5 Allocation of Functional Entities to physical
        equipment
   7.6 Interworking considerations

Defines supplementary service Message Waiting Indication (SS-MWI) related to various basic services supported by Private Integrated Services Networks (PISNs). This service enables a Served User to be sent a Message Waiting indication and also allows the cancellation of this Message Waiting Indication.