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STUN - Simple Traversal of UDP through Network Address Translation

STUN is an IETF (Internet Engineering Task Force) based protocol defined in RFC 3489. STUN is used as a mechanism when overcoming the problem of NAT (Network Address Translation) traversal for protocols such as SIP (Session Initiation Protocol).


  • Fully interactive 3GPP based network map
  • Narrated call flows
  • Detailed network procedures

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