The M5317TDX ISDN BRI Telephone provides ISDN Basic Rate Interface (BRI) functionality for Meridian 1 as well as a unit which can be readily transferred to a Meridian Digital Centrex communications environment. This telephone is able to recognize its network connection by means of built-in software and assigns the appropriate features as defined by the Centrex or Meridian 1 systems.
The M5317 can use the Plantronics M10, M12 and A20 headset adapters with any H-Series headset (eg. H51).