| 摘要 |
PROBLEM TO BE SOLVED: To provide a television telephone system for reading a homepage or transmitting and receiving a mail by simultaneously accessing to an internet while speaking via a portable television telephone. SOLUTION: The television telephone system comprises relay stations 8 and 9 connected to each other via a communication businessman network, portable television telephone terminals 1 and 6 for communicating multiplex data obtained by multiplexing a video, a voice and communication data to each other by channel exchange via a radio network and the communication businessman network, a data multiplexing and demultiplexing unit 7 for demultiplexing the data from the multiplex data during communicating by channel exchange via the businessman network to the internet network 11, sending the communication data to the internet network 11 and multiplexing the response data from the network 11 corresponding to the communication data to the multiplex data, an internet gate way 10 for connecting the businessman network to the network 11, and ISPs 12 to 14 for forming response data to the communication data separated by the unit 7. |
