According to one embodiment, a telephone exchange apparatus includes a memory and a calculation module and a controller. The memory stores data associating a caller ID specifying a caller and a recipient ID specifying a transfer operation source with frequency of transfer for each of at least one of a telephone terminal and a group to be a transfer destination. The calculation module calculates a percent of transfer from frequency of transfer in a predetermined period and store the percent of transfer for each of the caller ID in the memory. The controller refers the memory based on the caller ID and the recipient ID included in an incoming call, and performs incoming call control to at least one of a telephone terminal and a group corresponding to a transfer destination including a percent of transfer which is larger than a predetermined value based on a reference result.