PBX supported

Panasonic KX-TD 612
Panasonic KX-TD 816
Panasonic KX-TD 1232
Panasonic KX-TD 500

Panasonic KX-TDA 15
Panasonic KX-TDA 30
Panasonic KX-TDA 100
Panasonic KX-TDA 200
Panasonic KX-TDA 600

Panasonic KX-TDE 100
Panasonic KX-TDE 200
Panasonic KX-TDE 600

Panasonic KX-NCP 500
Panasonic KX-NCP 1000

Experimental support:

NEC Aspila Ex
NEC Aspire
NEC Aspila Topaz

LG LDK-20
LG ipLDK-24 (Nexer)
LG LDK-50
LG LDK-100
LG LDK-300
LG LDK-600

Avaya IP Office 406
Avaya IP Office 412
Avaya IP Office 500
Avaya IP Office Small Office Edition

Samsung IDCS 500 (version 2.4Х release 2 and later)
Samsung OfficeServ SOHO
Samsung OfficeServ 12
Samsung OfficeServ 100
Samsung OfficeServ 500
Samsung OfficeServ 7100
Samsung OfficeServ 7200
Samsung OfficeServ 7400