This ETS specifies the following Identification supplementary services: Calling Line Identification Presentation (SS-CLIP), Connected Line Identification Presentation (SS-COLP), Calling Line Identification Restriction (SS-CLIR) and Connected Line Identification Restriction (SS-COLR), which are applicable to various basic services supported by TETRA Switching and Management Infrastructures (SwMIs). TETRA basic services are specified in ETS 300 392-2 [1]. Calling Line Identification Presentation (SS-CLIP) is a supplementary service which is offered to the connected user and which provides the calling user's TETRA number to the connected user.
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