How do i block a number?

You can block numbers two ways: 

1. Email us at with the number you would like to block. 

2. Do it yourself by accessing the customer portal and going to

  • Go to PBX Settings 
  • Got o CallerID Black List
  • Click on Add New

  • Click on Save & Configure 
    save and configure PBX KB

Note: If you don't have access to PBX settings you will have to request that access and GreenLink will get authorization from the account's point of contact.