ETSI - PRETS 300 173
Identification Supplementary Services in Private Telecommunication Networks - Specification, Functional Model and Information Flows -
| Organization: | ETSI |
| Publication Date: | 1 January 1991 |
| Status: | inactive |
| Page Count: | 50 |
scope:
This European Telecommunication Standard (ETS) specifies the following Identification Supplementary Services: Calling Line Identification Presentation (SS-CLIP), Connected Line Identification Presentation (SS-COLP) and Calling/Connected Line Identification Restriction (SS-CLIR), which are applicable to various basic services supported by Private Telecommunication Network (PTN). Basic services are specified in Standard ECMA-142.
Service specifications are produced in three Stages, according to the method described in ENV 41005. This standard contains the Stage 1 and Stage 2 specifications of the Identification Supplementary Services. The Stage 1 specifications (clauses 5 to 13) specify the supplementary services as seen by users of PTNs. The Stage 2 specifications (clauses 14 to 28) identify the functional entities involved in the supplementary services and the information flows between them.
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