Quality of experience of VoIP for social network services: Facebook vs LINE over 3G networks in North Bangkok

This paper presents a preliminary study of quality of experience (QoE) of VoIP that are provided as social network services using Perceptual Evaluation of Speech Quality (PESQ) with Thai and Chinese speech samples. This study focuses on VoIP quality of the free call feature from Facebook and LINE, which are the popular social network site and the popular social network application for Thai users respectively. From this study, it has been found no significant difference between VoIP quality from Facebook and LINE when connected Internet via WLAN. However, it has been found that LINE tends to provide better VoIP quality than Facebook with significant difference (p-value < 0.05) when connected 3G networks in three forth test conditions, including two test conditions with Thai speech.