Troubleshooting Firewall and NAT Issues

We recommend whitelisting or creating approved access policies in your firewall when troubleshooting common NAT issues like one-way audio or failed calling errors.

In general, call setups and registration connections will come from these IPs.

IPv4 / 8.36.70.201, 8.45.131.207, 8.30.173.201
IPv4 / 38.65.21.201, 38.89.237.207, 38.99.84.201
IPv4 / 8.30.173.193 (Provisioning)