Abstract: In order to enable all users of the examination management system to access the system through the Internet, in order to access the data in the examination management system in multiple ...
SIP (Session Initiation Protocol) is the IETF (Internet Engineering Task Force) signaling standard for managing multimedia session initiation defined in RFC 3261 commonly used in VOIP communication.
Abstract: With the rapid growth of the scale of the tourism retirement immigration market year by year, this group still faces challenges in terms of social integration, infrastructure adaptability ...
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