Panasonic KX-TA624/824 multiple message-waiting lights

If your KX-TA624 is a "dash three" or later version, or you have a KX-TA824, you can have more than one message-waiting light on one phone, and several phones can show the status of one mailbox.
  • Flip the rear memory switch to PROGRAM (or press PROGRAM if you have a PROGRAM button).
  • Press the button you want to use.
  • Dial 95.
  • Dial the extension number of the other phone.
  • Press STORE.
  • Flip the memory switch back to SET (or press the PROGRAM button if you have one).