416
System configuration:
Minimum 2 x 8
Max 4 x 16

416 Standard tel
416 Exec LCD tel

Paragon
System configuration:
Minimum 3 x 8
Max 6 x 16

Paragon Standard tel
Paragon Exec LCD tel

Buiscom+
812 / 24 / 36 / 64

System configuration:
812 -5x12
24 - 8x24
36 - 12x36
64 - 24x64

Buiscom Plus Standard tel
Buiscom Plus Exec tel
Buiscom 16 or 32 Exec tel
Buiscom 16 or 32 Standard tel

Modkey 16 KSU
TIE 612 KSU
Nitsuko DM16 KSU

Modkey 16 Nitsuko DM16	TIE 612
System configuration Minimum 2 x 8 Max 6 x 16	System configuration: 6 x 12

612 Standard or Speaker Telephones

TIE 6010
TIE 60020	TIE 60030

60085
60080

EK - 820 / 1236 / 2260

1236 Ultracom

TC - 820 / 1236 / 2260

TC Standard tels
TC Exec LCD tel

Onyx VS Nitsuko KSU & Phones
System configuration:
Minimum 4 x 12
Max 16 x 48

Onyx Standard Telephones
Onyx Exec LCD Telephones
Nitsuko 88263B

TIE ONYX Exec

UAT
System configurations:
6 x 16 / 12 x 32 / 24 x 64

UAT Standard Telephones
UAT Exec LCD Telephones

TCX 128 - 16/48 - 24/64 HX/CX 4 BTN Sets HX/CX Standards HX/CX Exec LCD tel

CX Series HX Series

Nitsuko America DSO1

Minimum Configuration 8x24 Maximum Configuration 24x72 Nitsuko 88405