You might be. The Dee's product was Nortel's preferred Power fail transfer unit. :-) That's how I learned of them. On Wed, Jun 9, 2010 at 10:45 AM, Webber, Bill <Bill.Webber at tri-c.edu> wrote: > On our old Nortel PBX systems we had power failure transfer phones. > I'm not familiar with the "dee's" product. >