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The Session Initiation Protocol provides an expandable and easy solution to the IP-based telephony environment. When users ask to use an SIP service, they need to be authenticated in order to get service from the server. Therefore, some SIP authentication procedure schemes were proposed to meet the above demand. However, there are security problems that need to be solved, such as off-line password...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.