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

Alcatel Omni PCX Enterprise
Alcatel Omni PCX Office