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![VoIP call setup based on SIP/SDP/RTP/RTCP protocols (based on [7]) | Download Scientific Diagram](https://www.researchgate.net/publication/1924997/figure/fig1/AS:650484637499411@1532099031245/VoIP-call-setup-based-on-SIP-SDP-RTP-RTCP-protocols-based-on-7.png "VoIP call setup based on SIP/SDP/RTP/RTCP protocols (based on [7]) | Download Scientific Diagram")
VoIP call setup based on SIP/SDP/RTP/RTCP protocols (based on [7]) | Download Scientific Diagram
Howto:What Ports are used for Signaling and Voice Traffic in SIP and H.323? - innovaphone wiki
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