To block phone numbers of people calling you please follow these steps:
Log into the Lakeland Networks phone portal by going to portal.lakelandnetworks.com/
Click Here for instructions showing how to register to the phone portal

Once in the Portal

Go to the ‘Phone’ Tab at the top of the screen.
Click on ‘Settings’ option.
Go to ‘Call Blocking Options’.

If Call Block Option shows ‘Disabled’, click on ‘Disabled’ to change it to ‘Enabled’
Type in the number that you wish to block.
Click ‘Submit Call Block Changes’

If you wish to add a secondary number click ‘Add New Block’ to add more numbers.
You are only able to add a maximum of 25 numbers to block.