sundance-communications.com/forum Forums Other TDM Phone Systems Telrad Telephones & Systems system problem

i have an older telrad system.
my phone style is #73 140 0001/6
my problem is that until last week my office phone would ring at my front desk and not in my treatment rooms.
now it rings in my treatment room and not my front desk.
i would like to know how to change it back so that it will again ring at the front desk.

thank you

What Telrad system do you have? 408, 816,2464, or the digital 128, 400
dtmf