---
title: "Configure ASUS Router for VoIP"
slug: "configure-asus-router-for-voip"
updated: 2026-05-17T16:47:34Z
published: 2026-05-21T21:25:00Z
canonical: "help.8x8.com/configure-asus-router-for-voip"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://help.8x8.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Configure ASUS Router for VoIP

## Objective

Configure an ASUS router for VoIP services. The purpose of this article is to provide a **sample configuration**. At the time of article creation, this device was in a known working state on the firmware used.

**Keep in mind different firmware versions will interact with hosted VoIP services in different ways.** While this device may be fully functional on the tested and/or current firmware version, it is possible newer revisions will cause disruptions in service or make a device fully compliant with the required settings for hosted VoIP services where it was previously not.

## Applies To

- ASUS Router

## Procedure

### Administrative Information

1. Make sure your router is powered on and connected to your network.
2. In a browser on a computer on the same network as the router, navigate to the following IP address: **192.168.1.1**
3. Log in (default credentials shown below).
  - Username: **admin**
  - Password: **admin**

Adding/editing 8x8 subnets is recommended when available. See [X Series Technical Requirements](/support/docs/x-series-technical-requirements).

### Configure the ASUS Router

1. Navigate to **Advanced Settings** > **WAN** > **NAT Passthrough**.
2. Next to **RTSP Passthrough**, select **Disable**.
3. Next to **SIP Passthrough**, select **Disable**.
4. Click **Apply**. ![](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/10603?sv=2026-02-06&spr=https&st=2026-11-03T22%3A40%3A20Z&se=2026-11-03T23%3A40%3A20Z&sr=c&sp=r&sig=OAYWOViw1sGD58hNd%2FFtK5jG%2F8p74lLFgtgqI9mfCVs%3D)