Westell 7500

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Please follow these instructions to configure your Westell 7500 router to work with PhonePower. These instructions are only if you are connecting your phone adapter to your router.





  • Open a web browser
  • Enter http://192.168.1.1 into the address bar and press enter
  • Log into the router. You will be prompted for a username and password.
  • The default username is admin
  • The default password is password or password1



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• Click on My Networks.
• Check for the MAC address of Grandstream (the first six characters will be 00:0B:82)
• Check on the IP address for Grandstream. Match this IP address to the one you configured in the first step of this process.
• Click on Firewall Settings.


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• Click Yes in the pop-up warning window that you understand that changes in this section could affect the device's configuration and performance.
• Click Port Forwarding in the left navigation panel.


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• Click Add in the name column to add a new port forwarding rule or service.
• Click on Create A New Rule.


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• Select Port Forwarding.
• Enter a name for the port forwarding service you're configuring in the enter a name for the custom service field (You can use any name, though we recommend you call it phonepower).
• Select the protocol UDP.


Note: "In" represents a connection from the internet to your computer, while "Out" is for a connection from your computer to the internet. The direction and port direction fields may not be included for your gateway, depending on the version of firmware running on it. If a port direction is included, please select both in and out for the directions. If "both" is not available, select "in".

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• Select In or Out to indicate the allowed direction of the connection.
• For Global port start, enter 5060
• For Global port end, enter 5060
• For Base host port, enter 5060
• For Protocol, select UDP


If you selected "Out" in the previous field, select SRC (source) or DST (destination) to indicate whether the outbound port direction is the source or the destination.

• Click Apply to save your entries.
• Follow the same steps to also forward ports 5061, 5004, 5012, and 12060 using UDP protocol
• Review the port forwarding settings and click Close.
• Select Host or Dynamic to control how the port forwarding service is activated.


If you selected Host in the previous step, select the computer on your network where this port forwarding service will be applied. You can either select the computer from the drop-down list or enter its IP address. If the Grandstream in not in the drop down list of computers, set the IP address to the IP address that you received from the Grandstream in the first step.

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• Click Apply to save your entries.
• Review the settings for the rule you have created, and click Close.
• Close the Westell configuration window to complete the port triggering setup.


You will need to reboot the Grandstream device for this to take effect. Simply remove the power cord from the back of the Grandstream, wait 20 seconds, and put it back in. If you are unable to place a call after 15 minutes, please contact our support department for additional assistance.