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Yayın Modeling a mobile value added services platform(Işık Üniversitesi, 2002-06) Okutan, Ahmet; Yarman, Bekir Sıddık Binboğa; Işık Üniversitesi, Fen Bilimleri Enstitüsü, Bilgisayar Mühendisliği Yüksek Lisans ProgramıMobility is one of the new concepts has changed the way that people are accessing information. It is known that mobile phones can be used for more than just making phone calls. With the new generation mobile phones, mobile users can access a lot of Mobile Value Added Services (VAS). The term Value Added Services incorporates a lot of services ranging from popular information services like currency or weather information to entertainment services like multimedia messaging, logo, melody and picture message services. That is to say, a cellular phone owner can both request daily news, weather or horoscope information and can download multimedia messages, melodies, logos and picture messages to his mobile phone by sending a specific request message via SMS. In the meantime, Value Added Services Platforms utilize the GSM Operator's Short Message Service Centers, to provide Value Added Services to mobile phone users via SMS. Although the majority of Value Added Services are being provided via SMS, WAP and GPRS are other technologies that are utilized by VAS platforms. On the other hand, as the internet is making is possible to publish information content vie World Wide Web (www), mobile phones are becoming more and more popular to provide this information content to people who are mobile. So, in this context, VAS platforms are acting as mediums to provide infotainment to mobile subscribes from the web. This study models the technical features of sample Value Added Services Platform that works over SMS. The main system components of this modeled Value Added Service Platform are explained in detail. The important issues that needs special handling are described for each system component. Moreover, a research is made regarding the smart messaging which is one of the most important parts of VAS. For this, Nokia Smart Messaging Speciation, Nokia Multimedia Messaging Specifiation (MMS) and Enhanced Messaging Specifiation (EMS) are examined in detail. The modeled VAS Platform supports Nokia Smart Messaging Specification. Additionally it can support MMS and EMS if necessary software modules are implemented. So, the implemented software platform can send melodies, logos and picture messages can be requested by sending corresponding keywords for each service via SMS. In the remaining parts of the document, the word Platform will be used in stead of Value Added Services Platform (VASP) modeled in this study.
