Plantronics
Plantronics Compatibility Guide for Headsets and Telephones  (See  “Using the Compatibility Guide” on page 1) Back 33 Next ZOOM TELEPHONICS, INC. TeleMagic Zoom/Modem PC, ST, XT NO ZTEL PNX Attendant Console P10 Z4, Z12, Z28 M5 ZETRON 4000 Series See note a a Consoles require Group 2 or Group 6 headset: see Appendix A.