Method for recording and replaying audio and video data transmitted over a computer network

Restoring at least a portion of a telephone communication session, in which at least the following occur. Data packets transmitted over a computer network are received. Audio or video data contained in the data packets is stored. The portion of the telephone communication session from the audio or video data contained in the data packets is restored. A terminal having a user interface, a data entry device and a display unit suitable for outputting audio data, video data, or both audio and video is provided. The portion of the telephone communication session is output using the display unit.