Analog Telephone Adaptor	All-in-1 IP-PBX	IP Video Phone
HT502	GXE502X	GXV3175
HT503		GXV3140
Enterprise IP Phones	Enterprise VoIP Gateways
GXP	GXW400X
GXP21xx	GXW4024
GXP285	GXW410X
GXP1450