Mongoose Metrics allows customers to block incoming phone numbers at the account level or campaign level. To block a phone number at the campaign level, follow the instructions at the following knowledge base article:
To block a phone number at the account level:
1.) Click on the "Account Details" drop down and then "Profile"
2.) Next click on the "Call blocking" link.
3.) Click on the "Update" tab and then type the whole number that you'd like to block in the provided space. Click the "Add Call Blocking Filter" Button.
Once you enter the incoming number, all future calls from the specific number will be blocked.