When configuring your firewall for Voice over Internet Protocol (VoIP) services, it’s crucial to ensure that the necessary ports are open to allow for proper signaling and media transmission. Below is a general guide to the ports that should be permitted for optimal VoIP performance.
Required Ports
Sure! Here’s the ports portion formatted as a table:
| Service | Ports | Protocol | Description |
|---|---|---|---|
| SIP Signaling | 5060-5098 | TCP/UDP | Used for SIP signaling. |
| T.38 Fax | 4000-4999 | UDP | Used for T.38 fax transmission. |
| RTP Media | 10000-65535 | UDP | Used for RTP media streams. |
Whitelisting IPs
If your router requires whitelisting of IP addresses or IP ranges, please contact your TELAIR support agent for the specific IPs or subnets related to your systems.
Additional Information
This article serves as a general guide for firewall configuration for VoIP. For more detailed instructions tailored to specific routers, please search our knowledge base. If you do not find an article for your device, contact our support team and provide the make and model of your router firewall for assistance.