SSH ETS 300 060:1991

Integrated Services Digital Network (ISDN); Subaddressing (SUB) supplementary service; Functional capabilities and information flows

Scope

This standard defines the stage two of the Subaddressing (SUB) supplementary service for the panEuropean 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 stage 1 service description. The stage two description also identifies user operations not directly associated with a call (see CCITT Recommendation I.130 [1]). This standard is specified according to the methodology specified in CCITT Recommendation Q.65 [2].