TELEPHONE RELAY DEVICE, TELEPHONE RELAY METHOD AND PROGRAM

摘要

A second device (120) has a first virtual terminal and a second virtual terminal. The second device (120) controls a first device (110), and switches the connection destination of a third telephone terminal (32) to the first virtual terminal, and switches the connection destination of a second telephone terminal (22) to the second virtual terminal. The first virtual terminal is put into a suspended state. Next, the first virtual terminal calls the first telephone terminal (12) by making an outbound transfer to the first telephone terminal. Then, the first device (110) connects the first telephone terminal (12) to the third telephone terminal (32).