Combining GPRS Modem and MAS Technology for SMS Alerting System
综合GPRS调制解调器与MAS技术的短信催还系统

In order to solve the problem that the library can not send SMS to the readers belonging to different telecom agents, this paper introduces a SMS warning return system based on MAS and GPRS.This system uses a wireless modem with USB port based on SIM300 GPRS module and the MAS device of China Mobile. Moreover,a SMS sending and management platform which is compatible with the wireless modem mentioned above is developed. Now the system has been put into practice, and it is in a stable running and has been achieved outstanding effect.