To provide an emergency call system and an emergency call method for specifying a call originating position of a wireless terminal when a caller makes an emergency call to the police, fire fighters orthe like from the wireless terminal via an IP telephone terminal.An emergency call system includes a positional information management device (211) and a positional information notification server (222), wherein the positional information management device (211) includes a first management section (213) which manages first terminal information and first positional information of the terminal anda first processing section (214) which receives the first terminal information sent from a positional information notification server and transmits the first positional information to the positional information notification server (222), wherein the positional information notification server includes a second management section (225) which manages the first terminal information and first address information of the positional information management device (211) and a second processing section (226) which receives the first terminal information from a first device, transmits the first terminal information of the positional information management device (211) on the basis of the first address information, receives the first positional information from the positional information management device (211), and transmits the first positional information to the first device.