This paper proposes a mobile multimedia communication system using PHS and
ISDN. Experiments confirmed that a trial system can simultaneously transmit
voice with the same quality as PSTN telephone and motion pictures having,
frame rate of one per second at an image size of 160 x 120 pixels. This sys
tem was provided to the security department of the Organizing Committee for
the XVIII Olympic Games, Nagano 1998 (NAOC) and was put to practical use f
or the remote observation in remote sites.