Abstract
With the implementation of the credit system colleges and universities, multi-disciplinary and senior elective courses, allows students to spread the teaching of classes, the teaching of information and education to inform, convey the difficulty of increasing the effectiveness of lower management. Although the school office network systems, the department can release information from the Internet and to inform. But the user by time, place and equipment limitations, it is not possible login the system at all times, when they can not use the office system, to obtain timely notice and necessary information, has become a pressing issue. At present, mobile phones have been universal in the teachers and students, based on the text messages fast, low fees and wide coverage area, to construct a platform for short message service in the campus , so that the campus short message service and the campus office system combining is the campus office system an effective supplement. This article expounds the principle and method of applying the GSM short message service at the college．It includes the needs assessment，SMS platform structure，equipment selection and system requirement．Major functions of the software are specifically designed to meet the needs of the college．The SMS coding system and computer program are presented with examples．This SMS service system using GSM Modem can effectively improve administrative efficiency，upgrade services and lower communication cost．Thus，this technology can be promoted for various office applications.
