Follow the instructions below to assign a new functionality to a line key on your desk phone. 

Never change the 1st line option. 

Line appearance should ALWAYS be number 1 in the builder. Do not touch this as it can disrupt the configuration of your phone. 

Want to use Line Appearance? Call Support.  

To correctly set up this feature, you must contact our Technical Support Team by dialing 611 from your net2phone Canada device or by calling 1-877-498-3772 and choosing option #3. Emails will be responded to within 1 business day and can be sent to 

Not sure what functions are available? 

Check out the Hotkey Builder Overview!



Office Managers 

To access Hotkey Builder, you must be in the "Manage Organization" view of the Sonar portal.

1. Click the Users tab. 

2. Search and click on the name of the user's phone you want to edit. 

3. Click the Phones subtab. 

4. Select the phone associated with the user's extension you want to edit. 

5. Click the gear icon on the right-hand side. 

6. When the "Edit button configuration for this phone" pop-up appears, click Yes


1. Click either the line key button on the interactive diagram on your left or click the line key's assigned number on the right.  

2. Click the "Select a Feature" drop-down menu, and choose the functionality you want to assign. 

3. In the boxes below, enter a user name or extension, and an optional custom label. 

4. Click Save, or to apply the changes immediately click the up arrow next to save, and choose "Save and Resync." 

Changes won't be applied to a phone until it is rebooted!! 

You can set a phone to reboot directly from this page by clicking the up arrow next to the Save button and choosing Save and Resync.

NOTE: Locking line keys

You can use the lock icon secure that your choice will not be altered. 

Was this article helpful?

Can’t find what you’re looking for?

Our award-winning customer support team is here for you.

Contact Support