Abstract

Specifies the stage three of the Conference Call, add on (CONF) supplementary service for the pan European Integrated Services Digital Network (ISDN) as given by European public telecommunications operators at the T reference point or coincident S and T reference point by using the Digital Subscriber Signalling System No.1 (DSS1). Specifies the protocol requirements at the T reference point where the service is given to the user via an intermediate private ISDN. Does not specify the additional protocol requirements where the service is given to the user via a telecommunications network that is not an ISDN.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	SPS 5