Forward All Calls:

  1. Launch the “Phone” app
  2. Access the “Logs” or “Keypad” screen
  3. Tap “Menu” > “Settings” > “Call”
  4. Tap “Additional settings” > “Call forwarding”
  5. Select “Always forward”
  6. Enter the phone number you want to forward calls to and tap “Turn on”

Forward Calls (Conditional Forwarding):

  1. Tap “Phone” on the home screen
  2. Switch to the “Logs” or “Keypad” screen
  3. Tap “Menu” > “Settings” > “Call”
  4. Select “Additional settings” and tap “Call forwarding”
  5. Choose to “Forward when busy”, “Forward when unanswered”, or “Forward when unreachable”
  6. Enter the phone number you want to forward calls to and tap “Update”

Cancel Call Forwarding:

  1. Launch “Phone”
  2. From the “Keypad” or “Logs” screen, tap “Menu”
  3. Tap “Settings” > “Call” > “Additional settings”
  4. Tap “Call forwarding” and select “Always forward”
  5. Tap “Turn off” to disable forwarding

Block Calls:

  1. Open “Phone”
  2. Go to the “Keypad” or “Logs” screen
  3. Tap “Menu” and access “Settings”
  4. Tap “Call” > “Call rejection”
  5. Tap “Auto reject list” > “Create”
  6. Tap “Contacts”
  7. To enter a number and block it:
    1. Write the phone number
    2. Ensure “Exactly the same as” is enabled, or optionally select a different match criteria
    3. Tap “Save”
  8. To block an existing contact:
    1. Tap “Contacts”
    2. Access “Contacts” or “Logs”
    3. Select the contact you want to block and tap “Save”

Unblock a Number:

  1. Launch “Phone” and access “Logs” or the “Keypad” screen
  2. Tap “Menu” > “Settings” > “Call”
  3. Tap “Call rejection” > “Auto reject list”
  4. You can allow calls but keep the number in the block list, by clearing the check box next to the desired number
  5. To allow calls and also remove the number from the list:
    1. Tap the icon depicting a “Trash can”
    2. Check the box next to the number to unblock
    3. Tap “Done”

Block Messages:

  1. Launch “Messages”
  2. Tap “Menu” and go to “Settings”
  3. Enable “Spam filter” and tap “Add to spam numbers”
  4. Tap “+” and enter the phone number you want to block messages from (Optionally you can choose a contact)
  5. Tap “Save”

Unblock Messages:

  1. Tap “Menu” in the “Messages” app
  2. Access “Settings”
  3. Enable “Spam filter” if necessary
  4. Tap “Add to spam numbers”
  5. Tap and hold the number you want to unblock
  6. Tap “Delete” > “OK”

See More: Samsung Galaxy S6 Edge+: Forward Calls; Block / Unblock Calls & Messages