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United Kingdom (UK) Firewall Rules¶

Voice Gateway¶

Component Protocol Source IP Source Port † Allowed Destinations Destination Port
Session Border Controller (SBC)
(Agent SBC)		 TCP/UDP ANY ANY 18.133.179.73 5060
TLS ANY ANY 18.133.179.73 5061
TCP ANY ANY 18.133.179.73 8443
TCP/UDP ANY ANY 13.43.133.73 5060
TLS ANY ANY 13.43.133.73 5061
TLS ANY ANY 13.43.133.73 8443
UDP ANY ANY 18.133.179.73 6000-65535
UDP ANY ANY 13.43.133.73 6000-65535

Media Twilio Gateway¶

Secure Media (ICE/STUN/SRTP) Edge Locations Protocol Source IP Source Port † Destination IP Ranges Destination Port Range
↳ Stun server UDP ANY ANY 168.86.128.0/18 10000-65535

FQDN¶

Component Protocol Source IP Source Port † Destination IP Ranges Destination Port Range
Kore Domain TCP ANY ANY *.kore.ai 443, 8443
Twilio Domain TCP ANY ANY *.twilio.com 443, 8443

Twilio STUN¶

Component Protocol Source IP Source Port † Destination IP Ranges Destination Port Range
↳ TCP (TURN TLS) ANY ANY 18.156.18.128 - 18.156.18.255 443/5349
↳ TCP (TURN TLS) ANY ANY 18.195.48.224 - 18.195.48.255 443/5349
↳ TCP (TURN TLS) ANY ANY 52.59.186.0 - 52.59.186.31 443/5349
↳ TCP (TURN TLS) ANY ANY 3.249.63.128 - 3.249.63.255 443/5349
↳ TCP (TURN TLS) ANY ANY 54.171.127.192 - 54.171.127.255 443/5349
↳ TCP (TURN TLS) ANY ANY 52.215.127.0 - 52.215.127.255 443/5349
↳ TCP (TURN TLS) ANY ANY 52.215.253.0 - 52.215.253.63 443/5349
↳ TCP (TURN TLS) ANY ANY 18.156.18.128 - 18.156.18.255 3478
↳ TCP (TURN TLS) ANY ANY 18.195.48.224 - 18.195.48.255 3478
↳ TCP (TURN TLS) ANY ANY 52.59.186.0 - 52.59.186.31 3478
↳ TCP (TURN TLS) ANY ANY 3.249.63.128 - 3.249.63.255 3478
↳ TCP (TURN TLS) ANY ANY 54.171.127.192 - 54.171.127.255 3478
↳ TCP (TURN TLS) ANY ANY 52.215.127.0 - 52.215.127.255 3478
↳ TCP (TURN TLS) ANY ANY 52.215.253.0 - 52.215.253.63 3478