You can block numbers two ways:
1. Email us at firstname.lastname@example.org with the number you would like to block.
2. Do it yourself by accessing the customer portal and going to cp.greenlinknetworks.com
- Go to PBX Settings
- Got o CallerID Black List
- Click on Add New
- Click on Save & Configure
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.