Plantronics
  Plantronics Compatibility Guide for Headsets and Telephones (See  “Using the Compatibility Guide” on page 1) Back 20 Next 22455 M5 Easy Touch: 22411 “ PhotoTouch: 53011 “ Competitor: 21420 “ Competitor Plus: 21410 “ Competitor (2 line): 21430 “ Techline Series: 2000, 24900 “ 2700, 24910 “ 2700S, 24920 “ 2702S, (2 line) “ 24930 “ TM1552, 1300, 26500 NO Integra 28, 38 Digitel; 78002, 78003 M5 Integra 208, 412, 616 Integra 75000 “ Integra Executive 75005 “ VariCom 28    76002, 77015 “ a If Telset has a date code ending with a letter A through D, use switch position # 1. OKI Spectrum 100 M1 Attendant Consoles: Spectrum 400, 700 P10 Discovery 3 “ ORBACOM SYSTEMS    TDM-150 Console a P10 a Some consoles require 6-wire PTK-style headsets. ORIGIN    200 Voicephone M5 PAC TEL Standard Desk Phone: PB2500I-B (1 line) J1, M1 Standard Wall Phone: TR 2554 (1 line) M1 Basic 500/2500 “ Basic Plus (TIE) M5 Smartset (TIE) M1 Voice Express (Comdial) M5 100 (TIE, 612) “ 300 (Merlin 410,AT&T) M2,a P10 400 (TIE, EK1232) M5 500 (ATI, Focus 50/100) M1 700 (TIE, VDS) M5 Feature Phones: FA4000, FA4100 (1 line) “ FA4200, FA4050 (1 line) “ FE5000, FE5100 (1 line) “ FE5150, FE5200 (1 line) “ FE5300 (2 line) “ Answering Phone: TA9100 (1 line) NO Starline Phone (1 line/Dial in Handset): “ PTP 1000, TR2202/2203 “ a For P10, jack is AT&T adapter module 502A. PACKARD BELL PB-FAX200 NO PANADYNI DID Switch M1 PANASONIC Eas-A-Phone: RC-TX91 (1 line) M5 RC-T350, 3l70 (1 line) “ RC-T420 (2 line) “ Dial in Handset: (1 line) KX-T 2203, 2204, 2385 NO KX-T 3202, 3204 (2 line) “ KX-T 2010, (1 line) M5 2130, 2131, 2135, 2150    “ 2220, 2221, 2255, 2260 “   2310, 2315, 2320, 2322 “ 2325, 2330, 2335, 2340 “ 2341, 2342, 2345, 2355 “ 2356, 2360, 2365,2390 “ 2410, 2415, 2420, 2421 “ 2422, 2425, 2427, 2429 “ 2432, 2475, 2620, 2622 “ 2630, 2632, 2634 “ KX-T 2720, 2740, 2840 “ KX-T 2850 “ KX-T 1450, 2155, 3110 NO