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            TP-Link W8968N Not Allowing Calls via VoIP

            Fix for TP-Link W8968N router not allowing to make or receive calls via VoIP. A firmware Update is needed.

            Find attached firmware update file.

            Important Note:
            -Do NOT upgrade the firmware via wireless connection; - Do NOT turn off the power or cut down the Ethernet cable during upgrade process; - Please write down all current settings as a backup and enter them manually after upgrading. - Internet Explorer (IE) is recommended to upgrade the firmware.

            Update Process:

            Step 1 : Log into the ADSL Modem Router by typing in the address bar of the web browser (such as Internet Explorer, Firefox). The User Name and Password are both admin unless you have changed it before.
            Step 2 : Click System Tools ->Firmware Upgrade, click the Browse button to choose the firmware you already extracted in the folder.
            Step 3: Click the Upgrade button. The device will reboot automatically after the upgrading has been finished. Please wait about 3 minutes.
            Step 4: Click Status, verify that the router’s firmware has been upgraded.

            Test out an inbound and outbound call via VoIP

            Updated: 06 Jul 2014 06:40 PM
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