The present invention provides a telephone relay apparatus in which even in a telephone terminal which cannot recognize a subaddress, it is possible to attain information to judge whether or not the call is to be started. A telephone relay apparatus 100 possesses a plurality of call transmission telephone numbers (proxy telephone numbers) to uses a telephone number (user telephone number) properly to transmit a call to a telephone terminal 210 on the call reception side according to a rule prescribed in advance, which enables the telephone terminal 210 on the call reception side to identify the type of the call via the telephone relay apparatus 100 based on the call transmitter telephone number (notification telephone number).