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https://www.twilio.com/docs/voice/sdks/network-connectivity-requirements
https://www.twilio.com/docs/sip-trunking/ip-addresseshttps://support.twilio.com/hc/en-us/articles/360007130274-Requirements-for-Connecting-to-the-Twilio-REST-API-and-Troubleshooting-Common-Issues
For the Latest IPs: https://www.twilio.com/docs/sip-trunking/ip-addresses
twilio.com (our telco provider)
54.172.60.0/30 which translates to:
54.172.60.0
54.172.60.1
54.172.60.2
54.172.60.3
Ports: 5060 (UDP/TCP), 5061 (TLS) 54.244.51.0/30 which translates to:
54.244.51.0
54.244.51.1
54.244.51.2
54.244.51.3
Ports: 5060 (UDP/TCP), 5061 (TLS)
54.172.60.0/23
34.203.250.0/23
Port Range: 10,000 to 20,000 (UDP)54.244.51.0/24
Port Range: 10,000 to 20,000 (UDP)Additional links to whitelist:
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