Transmission system, relay apparatus, transmission terminal, and transmission terminal control program

A relay apparatus comprising:

• a distribution unit configured to transmit video data and voice data, which are transmitted from a transmission terminal, to another transmission terminal or the transmission terminal that transmits the video data and the voice data as a transmission source, the transmission terminal being capable of locally reproducing the video data and the voice data and transmitting and receiving the video data and voice data via a network;
• and
• a session establishing unit configured to establish a session for a single site for the transmission terminal as the transmission source upon receiving a request for establishing the session for the single site from the transmission terminal via a transmission management apparatus being capable of managing a session for a plurality of the transmission terminals or the transmission source transmission terminal, so that a connection check process can be performed on the transmission terminal within the single site only.

A transmission terminal comprising:

• a transmission and receiving unit configured to locally reproduce video data and voice data and transmit and receive the video data and the voice data via a network;
• and
• a session establishment request unit configured to send a request for establishing a session to a relay apparatus, which transmits the video data and the voice data transmitted from the transmission terminal to another transmission terminal or the transmission terminal that has transmitted the video data and voice data as transmission source, via a transmission management apparatus capable of managing a session for a plurality of the transmission terminals or the transmission source transmission terminal, so as to establish a session for a single site by sending the request for establishing a session for the single site to perform a connection check process within the single site only.

(canceled)