TP-Link Firewall Guide for VoIP Optimization

TP-Link Firewall Guide for VoIP Optimization

Optimize Your TP-Link Firewall for VoIP: A Quick Guide

Follow these steps to optimize your TP-Link firewall for VoIP services, ensuring stable connections and minimizing disruptions.

1. Disable SIP ALG

🚨 SIP ALG can cause intermittent VoIP issues. Disable it as follows:
βœ… Navigate to "Transmission" > "NAT" > "ALG" Tab.
βœ… Uncheck both "H.323 ALG" and "SIP ALG".

2. Enable QoS for Voice Traffic

πŸš€ Prioritize voice traffic to ensure high call quality.
βœ… Navigate to "Transmission" > "Quality of Service (QoS)".
βœ… Enable QoS for port 5060.

3. Configure DNS for SIP Stability

πŸ› οΈ Use reliable DNS servers to minimize SIP registration disruptions.
βœ… Navigate to "Network" > "WAN".
βœ… Set Primary DNS to 1.1.1.1 (Cloudflare).
βœ… Set Secondary DNS to 8.8.8.8 (Google).

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