Most of current gsm public phones have their limitations , such as single function , upgrade with difficulty , xi ' an icechina co . ltd brought forward a new solution based on 32 - bit embedded system . the solution has it advantages on stability and expansibility , and implement remote code download , which greatly reduce maintenance cost 现有的gsm无线公话多存在性能单一，不易升级，不易维护的问题，在此基础上，西安易安信科技股份有限公司提出基于32位嵌入式系统的gsm无线公话解决方案，该方案具有稳定性好，易于扩展等优点，并且实现远程代码下载，极大降低维护成本。
In the case part , it gives a general introduction of dongguan city economy and social , guangdong telecom company dongguan branch and other telecom company , the reform of china telecom . it emphasizes on the public - phone business development of dongguan telecom , the competitive situations of dongguan ' s public - phone market , the new steps of the public - phone in dongguan telecom and so on 案例部分对东莞市社会与经济情况、广东电信东莞公司及其它电信运营商、中国电信改革的总体情况进行了介绍，着重描述了东莞电信公话业务发展情况、东莞市公用电话市场的竞争情况、东莞电信公话业务新举措等。
Each local telecom filiale all have built the lan mutual system which overlays the whole company and its each underling units , and through making great efforts to construct for many years , there are some management information application sub - system such as counting , net - managing , financing , person - managing , planning and stat . , business , public telephone and so on 各地方电信分公司都建有覆盖全公司及各下属单位的局域网互联系统，而且经过多年的努力建设，也开发了计费、网管、财务、人事、计划统计、营业、公话等管理信息应用子系统。
And in the case study part , the writer intends to evaluate briefly the public - phone business development in dongguan telecom , and to discover the problems and the difficulties of the public - phone business in dongguan telecom . and finally , the writer gives some practical and constructive suggestions in marketing strategy , based on the combination of the practice and the theories in marketing management and strategic management , such as , the five - power analysis of market competition , swot analysis , stp strategy , 4p ' s marketing mix , competitive response model and so on 案例分析部分主要运用市场营销管理、战略管理等方面的理论和实践经验，从东莞电信公司经营理念、东莞电信公话业务的竞争环境、 swot分析、 stp战略、 4p ’ s营销组合、竞争反应模式等角度进行分析，对东莞电信公话业务做出简单评价，指出存在的问题，最后提出可操作性的营销策略建议。
Four types are highly promoted , which are outdoor gsm accounting card payphone , outdoor gsm ic card payphone and indoor gsm desk - top wireless phone with charging device or not . the two types of outdoor gsm payphone system have widely applied in armies , schools and other public places . apart from gsm payphone system , traditional ic payphone , coin payphone and intelligent network payphone are other leading products 在通讯终端产品方面，公司已成功研制出了全系列的公用电话机，如室外ic卡公用电话、室内ic卡投币公用电话、智慧公话、智慧ic卡相容公话、移动公话、多媒体公话、 gsm移动桌面型计费电话、 gsm商务电话机、 cdma移动公话等产品。
