Planet, PBX, models:

IPX-1000	User Manual
IPX-1500	User Manual
IPX-1900	Quick Installation Manual User Manual
IPX-1980	User Manual
IPX-2000v2	Quick Start Manual
IPX-2100	Installation Manual User Manual
IPX-2500	User Manual
IPX-330	User Manual
IPX-600	User Manual
ISDN Internet Telephony PBX System IPX-1800N	User Manual
Internet Telephony PBX System IPX-300 Series	Quick Installation Manual User Manual