The present invention relates to an internet telephone and a method for recovering
voice data lost in the internet telephone. Whether there is any voice data lost
in a voice data packet received via the internet network and the position information
for a lost portion of the voice data is obtained. A voice data normally received
previously to the lost portion is filled in the lost portion of the voice data.
In making a telephone call using the internet, the speech quality is improved by
correcting the lost voice signal.