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Configuring QoS on the Linksys E1200 to Prioritize VoIP Traffic
Article #3552

Configuring QoS on the Linksys E1200 to Prioritize VoIP Traffic

The instructions in this article will guide you on configuring your Linksys E1200 router to experience the finest QoS with your AT&T Office@Hand service.

  1. Log in to the router web-based setup page. The default IP address is

    Note:  The default username is admin. The default password is admin.

  2. Click on Applications & Gaming tab > QoS sub-tab.

  3. Click the Enabled button beside Internet Access Priority.

  4. In the field labeled Upstream Bandwidth, select Manual from the drop-down menu and enter your current upload speed.

    Note: If unsure of your current upload speed, please run a speed test at

    You may proceed to configure via:

    MAC method
    Port method

MAC Method

  1. Select MAC Address from the drop-down menu labeled Category.

  2. You will need the MAC address for each IP device to continue. In the field labeled Enter a Name, enter a unique name for the device for which you will prioritize traffic.

  3. In the field labeled MAC Address enter the MAC address for the device.

  4. In the field labeled Priority, select High from the drop-down menu.

  5. Click Apply to save changes.

    IMPORTANT:  Repeat steps 6-10 until you have entered all of the IP phones.

  6. When all have been entered and you see them in the Summary section, click on Save Settings.

  7. Power cycle/reboot the router before proceeding.

Port Method

  1. In the Category section, select Applications from the drop-down menu.

  2. In the field labeled Applications, select Add a New Application from the drop-down menu.

  3. Enter a unique name in the Enter a Name field. Enter the following port ranges and select UDP from the drop-down menu to the right of each port range field and set the priority to High on the drop-down menu: 5060-5090, 8000-8200, 16384-16482.

  4. Click Apply. You will see your changes in the Summary section.

  5. Click Save Settings.

  6. Power cycle/reboot the router before proceeding.

Keywords:  Linksys E1200, QoS, 3rd Party Devices, dropped calls, port, mac