| Instant messaging as one of the important applications of the Internet, with its quasi-real-time communications, rich content delivery, with excellent business experience, became the people's daily work, live entertainment indispensable communications products. As communications technology and the increasing integration of information technology, telecom industry value chain has undergone profound changes, making the separation of business and network operators rely solely on traditional voice and messaging communication services for users can no longer meet market needs.With the explosive growth of Internet services, telecom operators have developed their own instant messaging product, instant messaging has become an important value-added telecom service operators.In 2008,China's telecom industry restructuring, China Unicom CDMA assets to China Telecom and related business for sale, the original instant messaging products, and "chotion" test platform over to China Telecom. Since then, the Beijing branch of China Unicom authorized the development of new instant messaging products, "JISHITONG", and determine the Beijing office as the "JISHITONG" platform base of operations. As a national pilot, Instant Messenger business in Beijing October 10, 2010 in the lead on the line for the future operation laid the foundation for China Unicom.About the "Messenger" project development, as the Beijing branch of the marketing staff is responsible for IM products, market research and business function analysis, on the instant messaging market, existing products were in-depth study, and domestic other official business operators real-time communications products were compared,demand for the product development sector reports and business logic design.In this thesis,the"IM" platform needs analysis and business functions to do a detailed description of the module,the system describes the business instant messaging platform,function and design of each module,and the overall technical design, system architecture, protocol and so do the research."Instant Messenger" instant messaging platform not only enables the combination of functionality and communication features to provide users with instant messaging, voice/video calls, multimedia conferencing, interactive SMS (Short Messaging Service) and MMS (Multimedia Messaging Service) and other information services;the same time through the effective integration of various Internet applications and value-added services, anytime, anywhere via PC (Personal Computer) and mobile clients to provide multimedia information services, to meet the triple play users in the context of communication, entertainment and other general applications. "IM"platform technologies based on IMS (IP Multimedia Subsystem) standards and SIP (Session Initiation Protocol),by IM (instant messaging) module, GROUP (group) modules, and PRESENCE (presence) module structure of the design, implementation, including text and pictures, animations and video peer point, point to the group messaging; shows the user's online status, status and other information showing the content; provide a group to create, join and leave the other group management functions.Practice has proved that Beijing Unicom "instant message" service not only effectively increase user stickiness and loyalty, but also for the rapid development of value-added services play an important role. Beijing Unicom business platform instant messaging on the line after a project has gained market acceptance, the Beijing branch two days they developed the 4517 users, as Beijing Unicom to improve the competitiveness of companies a powerful tool.Beijing Branch "instant message" service platform as a base for China Unicorn's products, product successfully on the line and recognized by the users of China Unicorn's value-added business development is of great significance. |
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