scope:

This European Telecommunication Standard (ETS) specifies the stage 2 description of the Supplementary Services CLIP, CLIR and COLP all part of Call Identification for the Terrestrial Trunked Radio (TETRA). The term "Line" is used in this TETRA Standard to design either the line of a "LS" Line Station or by extension and to keep those supplementary service names the Air Interface in TETRA Radio based network. Calling Line Identification Presentation (SS-CLIP) is a supplementary service which is offered to the connected user and which provides either the calling user's identity (ITSI for TETRA) in case of individual call or the calling user