83.71.142.253 to any IP allowlist used for your Phonovation integration. Connections use HTTPS on TCP port 443 with TLS 1.2.
Network flow
Outbound rules
Allow HTTPS connections to the hostname your integration uses:
If your firewall requires an IP rule, allow
83.71.142.253 on TCP port 443 and permit TLS 1.2.
Inbound webhook rules
Expose the HTTPS webhook URL configured in the account portal and allow traffic from83.71.142.253 on TCP port 443.
The IP allowlist is an additional network control. It does not replace X-Signature verification or idempotent event handling described in Webhooks.