NAT Traversal

• ICE and Trickle ICE:

  • RFC 5245

  • host, srflx, and relayed candidates

  • aggressive and regular nomination

  • ICE option tag (RFC 5768)

  • IPv4, IPv6, NAT64 support

  • Trickle ICE, with support for the following standards:

    • Trickle ICE (RFC 8838)

    • Trickle ICE on SIP: (RFC 8840)

    • SIP INFO Package (RFC 6086)

    • SDP for ICE (RFC 8839)

    • SDP media ID (RFC 5888)

• TURN:

  • RFC 5766

  • DNS SRV resolution

  • UDP, TCP, TLS client connection

  • TCP allocations, accept and connect mode (RFC 6062)

  • IPv4/IPv6 allocations

• uPnP

• STUN:

  • RFC 5389

  • Some RFC 3489 compatibility

  • DNS SRV resolution

  • short/long term authentication

  • fingerprinting

• NAT type detection:

  • legacy RFC 3489

• Other:

  • NAT64