CountyWide, Thank you for the timely response. Do you know if there is there a way to enable ringing on all CO'S while Off-Hook on the 7433 (and/or other phones)? I am not looking for call waitnig tones but actual ringing on a phone that is OffHook? Example: The receptionist phone is the ONLY phone that is set to ring in the office, when the receptionist is on line 1 (i.e. OffHook)I want that same phone to ring audibly so that another employee can hear the ring, pick up and answer the call from any another phone(this phones ringer, obviously, is turned off). Thanks!