M00043107
New product
INTEGRATED SERVICES DIGITAL NETWORK (ISDN); MESSAGE WAITING INDICATION (MWI) SUPPLEMENTARY SERVICE; DIGITAL SUBSCRIBER SIGNALLING SYSTEM NO. ONE (DSS1) PROTOCOL; PROTOCOL SPECIFICATION
European Telecommunications Standards Institute
In stock
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Availability date: 11/06/2021
Foreword
1 Scope
2 Normative references
3 Definitions
4 Abbreviations
5 Description
6 Operational requirements
6.1 Provision and withdrawal
6.2 Requirements on the receiving user's network
side
6.3 Requirements on the controlling user's network
side
7 Coding requirements
7.1 Coding of the facility information element
components
8 State definitions
9 Signalling procedures at the coincident S and T
reference point
9.1 Activation at the controlling user's interface
9.2 Deactivation at the controlling user's interface
9.3 Activation at the receiving user's interface
9.4 Deactivation at the receiving user's interface
9.5 Invocation of the MWI to the receiving user
10 Procedures for interworking with private ISDNs
10.1 Activation of the message waiting indication
where the controlling user resides in a
private network
10.2 Deactivation of the message waiting indication
where the controlling user resides in a
private network
10.3 Activation of the message waiting indication
where the receiving user resides in a private
ISDN
10.4 Deactivation of the message waiting indication
where the receiving user resides in a
private ISDN
11 Interaction with other networks
12 Interaction with other supplementary services
13 Parameter values (timers)
14 Dynamic description (SDL diagrams)
14.1 Controlling user
14.2 Receiving user
Annex A (informative): Signalling flows
Annex B (informative): Assignment of object identifier
values
History
ISDN UNI layer 3 signalling protocol for supplementary service. MWI is to support (voice) mail systems. Offers possibility to give an indication that (voice) mail is an option, to the intended recipient.
Published | |
Document Type | Standard |
Status | Current |
Publisher | European Telecommunications Standards Institute |
Pages | |
ISBN | |
Committee | SPS 5 |
Supersedes |
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