To enable service contents to be precisely set, to improve reliability and to enable a separate charge account service to be more easily utilized.

This system comprises PHS terminal equipment 4 and center equipment 1 connected through a telephone line 2 to this terminal equipment 4 and the center equipment 1 has a RAM 13 for storing the destination to separately account a communication charge and time to start separate account for every contracted terminal equipment and a CPU 11 for retrieving the time to start separate account from the RAM 13 corresponding to the contracted terminal equipment 4 when a call is originated from that terminal equipment 4, counting the acquired time while using a system clock 18, and separately accounting the call charge at the terminal equipment 4 corresponding to the counted time and the speaking time at the terminal equipment 4.