Line Identification supplementary services; Stage 2
The present document gives the stage 2 description of the call identification supplementary services.
The group line identification supplementary services are divided into the following four supplementary services:
‑ Calling line identification presentation CLIP (clause 1);
‑ Calling line identification restriction CLIR (clause 2);
‑ Connected line identification presentation COLP (clause 3);
‑ Connected line identification restriction COLR (clause 4).