> For the complete documentation index, see [llms.txt](https://it.answeringservicecare.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://it.answeringservicecare.com/it/remote-internet-setup.md).

# Remote Internet Setup

Use these recommendations to improve remote voice quality in Liberty.

WebRTC traffic needs low latency, stable upload bandwidth, and minimal network congestion. The goal is to give voice traffic priority over less time-sensitive activity.

{% hint style="info" %}
Start with the physical connection first.

Wired Ethernet and stable bandwidth usually matter more than router tuning alone.
{% endhint %}

### Recommended first steps

1. Use a wired Ethernet connection.
2. Check that your internet plan supports stable upload and download speeds.
3. Reduce competing traffic from other devices and apps.
4. Enable QoS on the router when available.

### Use wired Ethernet

Connect the workstation by Ethernet instead of Wi-Fi.

This reduces interference, packet loss, and latency variation. It gives WebRTC traffic a more stable path.

### Check your internet plan

WebRTC depends on consistent upload and download capacity.

If the connection is too slow or heavily shared, QoS changes alone will not fix call quality issues. In that case, upgrade the plan or use a more reliable connection.

### Limit traffic from other devices

Reduce bandwidth use from non-essential devices and applications.

Examples include:

* Smart TVs
* Streaming services
* Background downloads

If your router supports it, cap upload and download speeds for lower-priority devices. This leaves more bandwidth available for voice traffic.

### Enable QoS on the router

Most modern routers include **QoS** or **Traffic Control** settings.

Use these settings to prioritize SIP and WebRTC traffic.

#### Common steps

1. Sign in to the router admin panel.
2. Open **QoS** or **Traffic Control**.
3. Create rules for the Liberty workstation, WebRTC traffic, or the ports below.
4. Set the traffic or device to **High** priority when possible.

#### Ports to prioritize

* `5060` — UDP/TCP standard SIP signaling
* `5061` — TLS secure SIP signaling
* `3478` — STUN/TURN for NAT traversal
* `16384-32768` — RTP media

If the router supports application-based QoS, prioritize the active communication app or the workstation itself.

{% hint style="info" %}
WebRTC commonly uses UDP for low-latency audio delivery. Prioritizing this traffic helps maintain call quality during network congestion.
{% endhint %}

### If your ISP manages the router

Some internet providers lease or manage the router. In that case, you may not have access to QoS settings.

Contact the provider and ask whether they can enable QoS or prioritize WebRTC traffic on the connection.

### Advanced option

If the router only offers basic QoS, custom firmware such as `DD-WRT` or `OpenWrt` can provide more control when supported by the hardware.

Advanced traffic shaping or **SQM** can reduce bufferbloat and improve voice stability.

### If QoS is not available

If the router does not support QoS or port prioritization, use manual bandwidth management instead.

Practical options include:

* Pause downloads during work hours
* Disconnect non-essential devices
* Reserve the connection for work traffic when possible

### Related guidance

* [IT Best Practices](/it/it-best-practices.md)
* [Workstation Processor Reference](/it/it-best-practices/workstation-processor-reference.md)


---

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