TURN - Traversal of UDP through Relay Network Address

TURN is used as a NAT (Network Address Translation) mechanism which is similar in purpose to STUN (Simple Traversal of UDP through NAT). However, TURN works when symmetrical NAT is in operation, whereas STUN fails to operate in this situation.


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

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