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ETSI TS 186 008-4
M00003553
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ETSI TS 186 008-4 IMS Network Testing (INT); IMS/NGN Performance Benchmark; Part 4: Reference Load network quality parameters
standard by European Telecommunications Standards Institute, 05/01/2015
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ETSI TS 186 008-4 contains the performance benchmark requirements applicable to IMS/PES/VoLTE exchangeimplementations based on Recommendation ITU-T Q.543 [1] and ETSI TS 101 563 [10].The definitions of IMS/PES/VoLTE design objectives are based on "best practice" performance of legacy PSTN/ISDNsignalling. The values contained in the present document are "best practice" performance values measured on IMS andPES implementations. The ISDN VGW values are based on carrier grade implementations.