Resumen:
The document describes the line identification supplementary services, stage 1, at the european digital cellular telecommunications system (Phase 2).
Das Dokument beschreibt die Anrufer-Identifizierungs-Zusatzdienste, Stufe 1, im europäischen zellularen digitalen Funkkommunikationssystem (Phase 2).
Keywords:
Call numbers, Communication networks, Communication service, Communication systems, Digital, Electrical engineering, ETSI, European, Global system for mobile communications, GSM, Land-mobile services, Mobile radio systems, Public, Radiotelephone traffic, Supplementary services, Telecommunication, Telecommunication networks, Telecommunication systems, Telecommunications, Telephone networks, Wireless communication services