A wireless terminal call method in which a plurality of wireless terminals each having a unique ID share a wireless frame including a plurality of wireless slots and a wireless base station calls at least one of the plurality of the wireless terminals using a broadcast slot of the wireless frame, the wireless terminal call method comprising: generating, by the wireless base station, a first broadcast signal and a second broadcast signal, the first broadcast signal including not all but a part of a wireless terminal ID of a wireless terminal to be called, the wireless terminal being included in the plurality of the wireless terminals, the second broadcast signal including assignment information which is information on assignment position of at least one of the plurality of the wireless slots for the wireless terminal, the at least one of the plurality of the wireless slots being included in the second broadcast signal; generating, by the wireless base station, a wireless frame including the first broadcast signal and the second broadcast signal such that the second broadcast signal is subsequent to the first broadcast signal in the broadcast slot; transmitting, by the wireless base station, the wireless frame to the plurality of the wireless terminals; receiving, by the plurality of the wireless terminals, the first broadcast signal transmitted from the wireless base station; detecting, by the plurality of the wireless terminals, whether the not all but the part of the wireless terminal ID of own wireless terminal is included in the first broadcast signal received in the broadcast signal reception or not and determining that the second broadcast signal is to be continuously received when the not all but the part of the wireless terminal ID is included; and receiving, by the plurality of the wireless terminlas, the second broadcast signal when it is determined in the broadcast signal determination that the second broadcast signal is to be continuously received, stopping receiving data transmitted from the wireless base station when the assignment information is not included in the received second broadcast signal, and receiving the data based on the assignment information when the assignment information is included in the received second broadcast signal, wherein the first broadcast signal includes call information having a fixed length and including classification information and wireless terminal ID information, the classification information is at least one of the number of a plurality of partial ID patterns included in the wireless terminal ID information, lengths of the plurality of the partial ID patterns, and information associated with the number and lengths of the plurality of the partial ID patterns, the wireless terminal ID information indicates the plurality of the partial ID patterns, and at least one of the plurality of the partial ID patterns indicates the not all but the part of the wireless terminal ID of the wireless terminal. generating, by the wireless base station, a first broadcast signal and a second broadcast signal, the first broadcast signal including not all but a part of a wireless terminal ID of a wireless terminal to be called, the wireless terminal being included in the plurality of the wireless terminals, the second broadcast signal including assignment information which is information on assignment position of at least one of the plurality of the wireless slots for the wireless terminal, the at least one of the plurality of the wireless slots being included in the second broadcast signal; generating, by the wireless base station, a wireless frame including the first broadcast signal and the second broadcast signal such that the second broadcast signal is subsequent to the first broadcast signal in the broadcast slot; transmitting, by the wireless base station, the wireless frame to the plurality of the wireless terminals; receiving, by the plurality of the wireless terminals, the first broadcast signal transmitted from the wireless base station; detecting, by the plurality of the wireless terminals, whether the not all but the part of the wireless terminal ID of own wireless terminal is included in the first broadcast signal received in the broadcast signal reception or not and determining that the second broadcast signal is to be continuously received when the not all but the part of the wireless terminal ID is included; and receiving, by the plurality of the wireless terminlas, the second broadcast signal when it is determined in the broadcast signal determination that the second broadcast signal is to be continuously received, stopping receiving data transmitted from the wireless base station when the assignment information is not included in the received second broadcast signal, and receiving the data based on the assignment information when the assignment information is included in the received second broadcast signal, wherein the first broadcast signal includes call information having a fixed length and including classification information and wireless terminal ID information, the classification information is at least one of the number of a plurality of partial ID patterns included in the wireless terminal ID information, lengths of the plurality of the partial ID patterns, and information associated with the number and lengths of the plurality of the partial ID patterns, the wireless terminal ID information indicates the plurality of the partial ID patterns, and at least one of the plurality of the partial ID patterns indicates the not all but the part of the wireless terminal ID of the wireless terminal.