Speech Quality Monitoring in Czech National Research Network

This paper deals with techniques of measuring and assessment of the voice transmitted in IP networks and describes design of quality measurement, which can be used for Cisco Gateways. Cisco gateways send Calculated Planning Impairment Factor in every CDR (Call Detail Record). Our design is based on...

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Bibliographic Details
Published inAdvances in electrical and electronic engineering Vol. 8; no. 5; pp. 114 - 117
Main Authors Voznak, Miroslav, Rezac, Filip, Rozhon, Jan
Format Journal Article
LanguageEnglish
Published Ostrava Faculty of Electrical Engineering and Computer Science VSB - Technical University of Ostrava 01.01.2010
VSB-Technical University of Ostrava
Subjects
e-model
monitoring
qos
r-factor
speech quality
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Summary:This paper deals with techniques of measuring and assessment of the voice transmitted in IP networks and describes design of quality measurement, which can be used for Cisco Gateways. Cisco gateways send Calculated Planning Impairment Factor in every CDR (Call Detail Record). Our design is based on collection of CDR's, their storing into SQL database and their visualization through web page. This design was implemented and successfully tested in CESNET network.
ISSN:1336-1376
1804-3119