Analisa Penyebab Kegagaalan Pengiriman SMS Pada Sistem Telekomunikasi Seluler GSM

One of the basic features in mobile telecommunications system is the SMS (Short Message Service). The service is easy, inexpensive and practical this seemed to be a role model for mobile phone users. So it is appropriate that the mobile telecom operators in Indonesia always provide the best service to users of the SMS service . And ensure that the messages sent by the user can be received in a short time without any errors.
Delivery performance to customer prepaid SMS On-net P2P IM3 has a better success rate is 97.52 % , this value is more stable and closer to the target KPI set by Indosat is
98 % . While the performance of successful delivery of P2P SMS Off - net is only 65.90 %. This is because sending SMS Off - net P2P greatly influenced by the quality of the
network and subscriber status to other operators as SMS delivery destination. Several types of SMS delivery failure should be addressed in several ways, such as failure caused by Network Charging Fail anticipated to making a Backup Interface diameter, so the connection with CCN can always be maintained. While failure is associated with a customer that is not Defined Teleservice can be overcome by conducting an audit of customer data in the HLR system. And doing re - create TS21 and TS22 parameters if found customers who do not have these parameters in the HLR system