: Study on Security Issue in Open Source SIP Server examines how to protect SIP servers from unauthorized access and attacks using Linux iptables for UDP and RTP protocols.
While there isn't a specific paper titled exactly "Ooredoo UDP SIP," there are several academic papers that directly address the underlying technology you are looking for—specifically the performance and security of SIP (Session Initiation Protocol) over UDP (User Datagram Protocol), which is the standard configuration for VoIP services like those provided by Ooredoo. Recommended Research Papers Download Oreedoo udp sip
: Retransmission issue of SIP session over UDP transport protocol focuses on the IMS (IP Multimedia Subsystem) network—the same architecture used by modern telecom operators like Ooredoo—and analyzes session retransmission issues. : Study on Security Issue in Open Source