DS/ETS 300188
Integrated Services Digital Network (ISDN) - Three Party (3PTY) supplementary service - Digital Subscriber Signalling System No. one (DSS1) protocol
| Organization: | DS |
| Publication Date: | 27 October 1993 |
| Status: | inactive |
| ICS Code (Integrated Services Digital Network (ISDN)): | 33.080 |
scope:
The standard specifies the stage three of the Three-Party (3PTY) supplementary service for the pan-European ISDN as pro- vided by European public telecommunications operators. Stage three identifies the protocol procedures and switching functions needed to support a telecommunications service. In addition the standard specifies the protocol requirements at the T reference point where the service is provided to the user via a private ISDN. This standard does not specify the additional protocol
Document History