Topic It assures expediting the subscriber data register to the PLASTIC BONDED EXPLOSIVE system which is installed temporarily in suffering area and the like, early try to be able to offer telephone service. SolutionsThrough the wireless LAN, the subscriber is registered being the manner which in the PLASTIC BONDED EXPLOSIVE system which installs available portable telephone terminal 3, anew as an extension terminal, portable telephone terminal 3, step and the portable telephone terminal 3 which acquire the specific IP address which itself uses from the wireless LAN base station of temporary construction LAN, step and the portable telephone terminal 3 which acquire the portable telephone number of the register being completed in the SIM curd 33 which is loaded onto itself, step and IPPBX where transmits the specific IP address which is acquired and the subscriber register request which includes portable telephone number to subscriber register server 16The specific IP address and the portable telephone number which are received from portable telephone terminal 3 correspondence attaching to the subscriber database 13 which, server 11 has, the step which it registers and, it includes. Choice figure Drawing 2
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