Plantronics
  Plantronics Compatibility Guide for Headsets and Telephones (See  “Using the Compatibility Guide” on page 1) Back 28 Next 596073 (1 line) 592053, 596053 (2 line) Capri: 166043, 162043 (1 line) M5 Metro Phone (1 line): TL-586043 NO Orion I: 190543, 191543 Signature I, II Sophisticate: 136043 M5 Basic Wall: 571546, 576046 Standard Desk: (1 line) 571542, 572042 NO 572052, 574042 576042, 592052 (2 line) 596052 Deluxe Desk: 576048 (1 line) M5 576052 (2 line) 2500 Premium: 576247 M1 Intercom Phone: 272173 M5 Feature Phone I: 016067 Feature Phone II: 016063 Feature Phone IV: 016053 Feature Phone V: 036212 Tele Matrix Sets: (1 line) 100, 200, 300 a M1 Tele Matrix (2 line) 205, 208, 250 250 DSS NO 305, 308, 500 (3 line) a M1 400 (2 line) 508, 550 (5 line) 2700 MW (1 line) M5 a Headset must be plugged into headset port.   TELENOVA SEE DIGITAL VOICE CORP. TELEPAT H Talkback Phone M1 Amtron 416 M1, P10 TELEQUEST Telequest 2600 M5 Grand Prix 433-SF TELE RESOURCES System 32, Gen 2 Proprietary Sets M1 System 150, 1505, 150E Proprietary Sets TELESCAN ACD Set P10 EARTH NET M1 TELIM COMMUNICATIONS CORP. Superb 1-SL: 1000-SL-00, 02, 04, 06 NO TELKO INC. Dial in Handset: 203,204,206,208 (1 line) NO Fashion Phone: 403 (1 line) TEL PLUS 616, 1648, 3264 Proprietary Sets M1 816, 4080 Proprietary Sets M5 MCM 200/400 HCM Sets: 12, 16, 24 Button M5 TELRAD Digital System EX1, EX2, SD1, SD2 a M5 BA1, BA2 Key Bx 812, 816