🔒 Preventing Issues | Firewall Settings

To ensure smooth and reliable telephony 📞, it’s essential to check and configure your modem or firewall settings correctly.
Go through each of the steps below carefully to prevent common connection or call quality issues.

You’ll find three key sub-guides to help you set everything up properly:

📘 Sub-Guides

✅ IP Range Whitelist – Allow the correct IP ranges to ensure communication between your phone system and our servers.
🚫 SIP ALG Settings – Disable SIP ALG to prevent call drops, one-way audio, or registration issues.
⚙️ Provisioning Settings – Make sure your devices can automatically connect and update via our provisioning server.

✅ IP Range Whitelist 🚫 SIP ALG Settings ⚙️ Provisioning Settings