A group of users can be created with a purpose of receiving voice announcements through the speaker of a telephone set, but it has to be in the waiting mode.
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.