Block Calls:

  1. Launch “People” and tap “Menu
  2. Tap “Manage contacts” > “Blocked contacts
  3. Tap “+” and perform one of the following:
    • To block a phone number: enter it and tap “OK
    • To block a contact: select the check box associated with it, and tap “Save”. Optionally, you can tap “OK” to save the contact information to another account before blocking

Unblock Calls:

  1. Open “People
  2. Tap “Menu” > “Manage contacts
  3. Tap “Blocked contacts” > “Menu” > “Remove blocked contacts
  4. Select the contacts / phone numbers you want to unblock
  5. Tap “Delete

Block Messages:

  1. Tap “Messages” on the home screen
  2. Tap & hold the message thread exchanged with the contact you want to prevent receiving messages from
  3. At the “Message options” prompt, tap “Block contact

Unblock Messages:

  1. Open “Messages
  2. Tap “Menu” > “Block list
  3. Select the desired contact and tap “Menu” > “Unblock contacts

Forward All Calls:

  1. Access the phone’s “Settings” menu
  2. Tap “Call” > “Call forwarding
  3. Select to “Always forward
  4. Enter the phone number you want to forward calls to and tap “Enable

Forward Calls (Conditional Forwarding):

  1. Open the apps drawer and go to “Settings
  2. Tap “Call” > “Call forwarding
  3. Select to “Forward when unanswered”, “Forward when unreachable” or “Forward when busy
  4. If necessary, enter the phone number you want to forward calls to
  5. Tap “Enable” / “Update

Disable Call Forwarding:

  1. Go to “Settings
  2. Tap “Call” > “Call forwarding
  3. Tap “Always forward” or a different option
  4. Tap “Disable

See More: HTC Butterfly 3: Block Calls & Messages; Forward Calls