Hi again and thanks for that confirmation.
OK - those "pulsed tones" are really a "signal" from your service provider (Charter in this case) that their Voice mail system IS active, and that either you have a new voice mail message waiting OR the system needs some "attention" (needs to be set up, etc.).
Now I just checked my Charter notes, and I see that you MAY have activated the voice mail system - by dialing your own number - from your home phone. I also have notes that tell me that Charter MAY have simply "turned ON" the voice mail system, if ANYTHING in your service package changed (include a price change).
In any case, since your provider IS sending that signal to your home, the "real fix" for this condition would be to contact the provider and have them TURN OFF the Voice Mail system. This assumes that you WANT to use the built-in answering system of the Panasonic main base unit - to take any messages for calls you miss.
But there is a "work around" on most Panasonic systems that turns off the "detection" of those pulsed tones. This does NOT turn OFF the Voice mail system, but simply turns off the blinking lights and the messages you see on the handsets about VM waiting.
I have Charter's contact details below, if you need them.
Charter Customer Service: 1(###) ###-####/strong>
Please let me know if you want the instructions to turn off those VM waiting indicators.
Thanks, ***** *****