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ETSI TS 122 183
M00001630
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ETSI TS 122 183 Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Customized Ringing Signal (CRS) requirements; Stage 1 (3GPP TS 22.183 version 14.0.0 Release 14)
standard by European Telecommunications Standards Institute, 03/01/2017
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ETSI TS 122 183 specifies the requirements and technical considerations for Customized Ringing Signal (CRS) service inthe PS and CS domains, especially additional features for roaming and interoperability support.This document considers voice and multi-media CRS, so the CRS user may experience favourable songs, multi-mediaclips or other customized CRS.
This document specifies the CRS filtering service requirements that allow the user to filter the CRS.