Assessment of VoIP quality over access networks

Assessment of VoIP quality over access networks

This paper assesses VoIP quality over access networks in Pakistan using a delay jitter measurement methodology for evaluating the perceptual quality of voice calls using the ITU-T G.107 speech quality E-model. Passive measurements for voice calls in the presence of background Internet data traffic f...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Mehmood, M.A., Jadoon, T.M., Sheikh, N.M.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Acoustic testing
E-Model
Internet telephony
IP networks
Jitter
Parametric statistics
Perceptual Quality Assessment
Propagation delay
Psychoacoustic models
Speech analysis
Telecommunication traffic
Traffic control
VoIP
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:This paper assesses VoIP quality over access networks in Pakistan using a delay jitter measurement methodology for evaluating the perceptual quality of voice calls using the ITU-T G.107 speech quality E-model. Passive measurements for voice calls in the presence of background Internet data traffic for G.723.1 and G.729a codecs are carried out using a non-intrusive parametric model. The R-factor and resultant Mean Opinion Scores (MOS) were calculated at different link loads and congestion hot spots were identified. The study highlights the inadequacy of access networks for handling VoIP traffic at current in Pakistan and suggests alleviating congestion by increasing capacity in access networks
DOI:10.1109/CANET.2005.1598195