ETS 300 188-1 : 20001
Current
The latest, up-to-date edition.
INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - THREE PARTY (3 PTY) SUPPLEMENTARY SERVICE DIGITAL SUBSCRIBER SIGNALLING SYSTEM NO. ONE (DSSI) PROTOCOL - PROTOCOL SPECIFICATION
Hardcopy , PDF
Foreword
1 Scope
2 Normative references
3 Definitions
4 Symbols and abbreviations
5 Description
6 Operational requirements
6.1 Provision and withdrawal
6.2 Requirements on the originating network side
6.3 Requirements on the destination network side
7 Coding requirements
7.1 Coding of the Facility information element
components
7.2 Coding of the Notification indicator information
element
8 State definitions
9 Signalling procedures at the coincident S and T
reference point
9.1 Activation, deactivation and registration
9.2 Invocation and operation
10 Procedures for interworking with private ISDNs
11 Interactions with other networks
12 Interactions with other supplementary services
13 Parameter values (timers)
14 Dynamic description (SDL diagrams)
Annex A (informative): Signalling flows
A.1 Request for a three-way conversation
A.2 Disconnection of one remote user, and retention
of the other
A.3 Disconnection of both remote users and terminating
the call
A.4 Creation of a private communication with a remote
user
A.5 Remote user terminates the call
History
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