| 摘要 |
PROBLEM TO BE SOLVED: To effectively use two B channels of an ISDN network. SOLUTION: A system control part 36 requests to a host computer by using a B1 channel between two B channels of the ISDN network 2 connected to a network interface part 20 by a communication protocol part 22, and receives the musical data and various data such as a news and a weather forecast, etc., transmitted from the host computer according to its request. Further, a telephone 16 connected to a telephone interface part 28 by using another side B2 channel between the ISDN network 2 performs communication with other communication equipments. |
