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APPARATUS AND METHOD FOR OPTIMIZING MESSAGE SIZES OF TEXTUAL PROTOCOLS USED IN MULTIMEDIA COMMUNICATIONS
APPARATUS AND METHOD FOR OPTIMIZING MESSAGE SIZES OF TEXTUAL PROTOCOLS USED IN MULTIMEDIA COMMUNICATIONS
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机译:优化多媒体通信中使用的文本协议的消息大小的设备和方法
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摘要
An apparatus and method for generating compressed SIP messages from full sized SIP messages and vice versa in order to decrease call set up time in an IP based communication system. During registration of a device (102, 138), the invention caches the device's static information in the core network (106, 122) in a 'Registrar/Location Server' (110, 126). Subsequently, during call set up, the device transmits its dynamic information to the SIP Agent (108, 124) in a compressed SIP message over an air interface. The SIP Agent retrieves the static information (from the Registrar/Location Server) along with the dynamic information in the compressed SIP message to generate a full sized SIP message. The SIP Agent forwards the full sized SIP message to a SIP Proxy (112, 128), which is then transmitted to the IP system.
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