Find the error message and apply the solution.When you enter email addresses, use the format When you enter MAC addresses, use the 12-hex digits format.You can enter information only in the columns available in the downloaded file.Depending on the number of phones you add, it can take up to 24 hours to add all phones.When Voice finishes adding the phones, you get an email notification.To view the status, at the top, click Tasks.Review the information for each user and click Add Phones.For details about errors and solutions, go to troubleshoot spreadsheet errors. (Optional) Fix any errors in the spreadsheet and click Resubmit.Voice verifies each MAC address and email address. After you complete the spreadsheet, return to the Admin console and click Continue.In the spreadsheet, fill in the 4 columns with each phone's information for each phone that you want to add.The file opens in Google Sheets in a new tab of your browser. To use a spreadsheet that isn't listed, at the top, click Upload. Click the name of the spreadsheet that you want to use.Use Existing-A window opens showing your existing spreadsheets.Start New List-Voice creates a spreadsheet named 'New user desk phones on date.'.At the top, click Batch add desk phones.On the left, click Desk phones to see a list of the desk phones in your organization.From the Admin console Home page, go to Apps Google Workspace Google Voice Service management.