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ETSI TS 122 182
M00001631
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ETSI TS 122 182 Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Customized Alerting Tones (CAT) requirements; Stage 1 (3GPP TS 22.182 version 14.0.0 Release 14)
standard by European Telecommunications Standards Institute, 03/01/2017
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ETSI TS 122 182 specifies the requirements and technical considerations for Customized Alerting Tone (CAT)service in both CS and PS domains, especially additional features for roaming and interoperability support.This document considers voice and multi-media CAT, so the CAT user may experience favourable songs, multi-mediaclips or other customized alerting tones.