| 摘要 |
PURPOSE: A method for analyzing quality estimation and quality problem of an internet telephone is provided to provide quality measurement result of the internet telephone through voice comment, thereby enabling internet telephone user to check uplink quality of the internet telephone without any additional device. CONSTITUTION: If an internet telephone #1 receives a call from measurement device, the internet telephone #1 automatically response the call through auto response unit(S320). The internet telephone #1 again loops back voice and video data of measurement device to measurement device(S330). The measurement device measures bidirextional quality through RTP(Real-time Transport Protocol) packet and RTCP(RTP control protocol) packet analysis of IF network(S350). The measurement device notifies measured quality result to internet telephone #1 through voice announcement(S360). |
