On this Mitel desk phone, here is how to turn the ringer completely off:



  1. Press the Options soft key 
  2. Enter your voicemail password, and press the OK soft key. The Options menu opens. 
  3. Press the navigation key to scroll to the Audible ringer option. 
  4. To turn off the ringer, use one of the following methods: 
    • Press the Toggle soft key to change the ringer value from On to Off. 
    • Press the selector button on the navigation key pad to toggle between On and Off. 
    • Use the key on the navigation key pad to change the value from On to Off. 
  5. Press the Exit soft key