This standard defines stage two of the Conference call, add-on (CONF) supplementary service for the pan-European Integrated Services Digital Network (ISDN) as provided by European public telecommunications operators. Stage two identifies the functional capabilities and the information flows needed to support the service as described in stage one. The stage two description also identifies user operations not directly associated with a call (see CCITT Recommendation I.130 [1]).
PUBLISHED
SSH ETS 300 184:1993 ed.1
60.60
Standard published
4 korr 2024