Refurbished Intertel GLX+ 612.1000 Key Service Unit

Inter-Tel GLX 612.1000 3 Line by 8 Station KSU

Intertel GLX+ 612.1000 Key Service Unit GLX-12, GLX-PLUS

Intertel GLX System Key Service Unit 3 Lines by 8 Station 612.1000

Inter-Tel GLX-Plus Ksu 3x6 612.1000 w/ 3x4 Expansion Card 612.2010 (6x10)

Intertel Inter-Tel GLX 6-Lines Standard Phone

Fully Refurbished Intertel Axxess 550.8660 6-Line IP Display Phone (Grey)