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Voice Gateway

ComponentProtocolSource IPSource Port †Allowed DestinationsDestination Port
Session Border Controller (SBC)
(Agent SBC)TCP/UDPANYANY3.70.125.145060
TLSANYANY3.70.125.145061
TCPANYANY3.70.125.148443
TCP/UDPANYANY18.158.223.1715060
TLSANYANY18.158.223.1715061
TLSANYANY18.158.223.1718443
UDPANYANY3.70.125.146000-65535
UDPANYANY18.158.223.1716000-65535

Media Twilio Gateway

Secure Media (ICE/STUN/SRTP) Edge LocationsProtocolSource IPSource Port †Destination IP RangesDestination Port Range
↳ Stun serverUDPANYANY168.86.128.0/1810000-65535

FQDN

ComponentProtocolSource IPSource Port †Destination IP RangesDestination Port Range
Kore DomainTCPANYANY*.kore.ai443, 8443
Twilio DomainTCPANYANY*.twilio.com443, 8443

Twilio STUN

ComponentProtocolSource IPSource Port †Destination IP RangesDestination Port Range
TCP (TURN TLS)ANYANY18.156.18.128 - 18.156.18.255443/5349
TCP (TURN TLS)ANYANY18.195.48.224 - 18.195.48.255443/5349
TCP (TURN TLS)ANYANY52.59.186.0 - 52.59.186.31443/5349
TCP (TURN TLS)ANYANY3.249.63.128 - 3.249.63.255443/5349
TCP (TURN TLS)ANYANY54.171.127.192 - 54.171.127.255443/5349
TCP (TURN TLS)ANYANY52.215.127.0 - 52.215.127.255443/5349
TCP (TURN TLS)ANYANY52.215.253.0 - 52.215.253.63443/5349
TCP (TURN TLS)ANYANY18.156.18.128 - 18.156.18.2553478
TCP (TURN TLS)ANYANY18.195.48.224 - 18.195.48.2553478
TCP (TURN TLS)ANYANY52.59.186.0 - 52.59.186.313478
TCP (TURN TLS)ANYANY3.249.63.128 - 3.249.63.2553478
TCP (TURN TLS)ANYANY54.171.127.192 - 54.171.127.2553478
TCP (TURN TLS)ANYANY52.215.127.0 - 52.215.127.2553478
TCP (TURN TLS)ANYANY52.215.253.0 - 52.215.253.633478