Allowlist Callr IPs for Webhooks and fetch

If your platform restricts incoming traffic (e.g., firewall or proxy), you need to explicitly allow traffic from Callr to ensure Webhooks and fetch actions reach your servers reliably.

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Allow Incoming Connections From

185.76.20.132/30
185.76.22.132/30

Source port range: 1024 to 65535

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Be sure to configure your firewall or reverse proxy accordingly.

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SIP and RTP traffic

These ranges only cover HTTP requests (Webhooks and fetch@v3). The addresses used for SIP signaling and RTP media are listed in SIP Connectivity.