Call waiting with “Caller ID” uses a special signal in
order to warn you about an incoming call, during another call there are shown the
name and number of the calling subscriber on the display. The function also
allows switching between two calls.
With the improvement of the quality of IP networks changes the work style, which now includes a more efficient use of communication tools such as video conferencing. In order to meet the needs of people taking a new style of work, Sony expands its line of IPELA video communications with personal videoconferencing system Sony PCS-TL33P.