Just asking. I would hate to find out after installing several of these systems that one day Avaya comes along and sues Emetrotel and forces these handsets too their systems. It has happened before with technology.
Are these handsets open to use anyway any other manufacturer wants to . For example could NEC or Panasonic start allowing lets say the M and T series Nortel sets to be used on their systems?
I am interested in everyone's input.