DS/ETS 300425
Private Telecommunication Network (PTN) - Specification, functional model and information flows Call intrusion supplementary service
| Organization: | DS |
| Publication Date: | 18 February 1997 |
| Status: | inactive |
| ICS Code (Telephone networks): | 33.040.35 |
scope:
This European Telecommunication Standard (ETS) specifies the Call Intrusion supplementary service (SS-CI), which is applicable to basic services supported by Private Telecommunication Networks (PTNs). Basic services are specified in ETS 300 171. Call Intrusion (SS-CI) is a supplementary service which, on request from the served user, enables the served user to establish communication with a busy called user (user B) by breaking into an established call between user B and a third user (user C).
Document History