The Nitsuko line has been around for a very long time and has recently been bought by NEC. When looking for a phone that is compatible with your Nitsuko phone system, always turn your phone over and look on the bottom for at five digit model number. This is to insure you are ordering the correct Nitsuko phone or component.
Quick Telecom utilizes these manufacturers products
EXTROM, FUJITSU, HARRIS, HITACHI, INTER-TEL, ISOETEC, ITT, IWATSU-OMEGA, LEXAR, LUCENT, MACROTEL, MCK, MICROSOFT RESPONSE POINT, MITEL, NEC, NETAPP, NEWBRIDGE, NITSUKO, NORTEL, NORTHCOM, OCTEL, PANASONIC, PARADYNE, PLANTRONICS, POLYCOM, PREMIER, PROSTAR, SAMSUNG, SHORETEL, SIEMENS-ROLM, SIPXECS, SWITCHVOX, TADIRAN, TALKSWITCH, TEL-PLUS, TELCO SYSTEMS, TELECT, TELLABS, TELRAD, TIE, TOSHIBA, TRILLIUM, TRIXBOX, VALCOM, VERILINK, VMX, VODAVI, WALKER-RELIANT, WESCOM, WESTERN ELECTRIC, WYSE, ZULTYS.