| 摘要 |
PROBLEM TO BE SOLVED: To easily set a telephone function service when providing the telephone function service on a group-by-group basis.SOLUTION: When providing a terminal with a service corresponding to a group to which the terminal belongs, a service provision device identifies a group to which the terminal belongs, on the basis of identification information unique to a relay device to which the terminal is connected, instead of identification information unique to the terminal.SELECTED DRAWING: Figure 1 |
