Feature description 3Meridian SL-100 M2000 Digital Telephone Reference ManualHandsfree operates as if an off–hook operation had been performed.For example, when the telephone is idle, pressing the Handsfree/Mutekey turns on the integrated handsfree unit and selects the PDN, whichallows the user to make a call. When the telephone rings, pressing theHandsfree/Mute key turns on the handsfree unit and allows the user toanswer the incoming (ringing) call by pressing a Directory Number (DN)key without picking up the handset.Microphone muting (M2112 and M2317)When the Handsfree/Mute key is pressed during a telephoneconversation with the Handsfree feature activated, the microphone isturned off while the speaker remains on, which prevents the other partyfrom overhearing local conversation. The Handsfree/Mute LCD flasheswhile the Handsfree feature is in the Mute mode. Pressing theHandsfree/Mute key a second time restores microphone operation, andthe Handsfree/Mute indicator lights.Soft keys (M2317 only)The M2317 has keys 1 through 37. Keys 1 through 11 areprogrammable keys with associated indicators. These are the onlykeys to which a Directory Number (DN) can be assigned. Keys 12through 20 are reserved for the predefined M2317 soft key features.Soft keys are assigned in the same manner as programmable keys.The following feature–to–key restrictions apply when soft key featuresare assigned:Table 2 M2000 Digital telephone featuresKeynumber Feature12 Call Park13 Call pickup14 Message waiting15 Speed calling16 Call forwarding17 Conferece calling (6 port)18 Call transfer19 Ring again20 Privacy release