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Method of processing call to unregistered user in WLAN-GPRS network using SIP
Method of processing call to unregistered user in WLAN-GPRS network using SIP
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机译:使用sip处理在WLAN-GPRS网络中对未注册用户的呼叫的方法
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摘要
A method of processing a call to an unregistered user in a Wireless Local Area Network (WLAN)-General Packet Radio Service (GPRS) using a Session Initiation Protocol (SIP) is provided. The method of connecting a call to a mobile node present in a GPRS area includes registering location information of the mobile node to be invited in a Home Subscriber Server (HSS); when the mobile node uses a Mobile Internet Protocol (MIP), allocating an Internet Protocol (IP) address to the mobile node and authenticating the mobile node through MIP registration and setting a SIP session; and when the mobile node uses a simple IP, allocating an IP address to the mobile node and authenticating the mobile node through a Dynamic Host Configuration Protocol (DHCP) procedure and setting a SIP session.
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