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The following actions - speaker, hold, and mute - allow you to manage calls in various ways.  Follow the instructions in each section below to utilize these tools. 
Using the speaker function:
	- If you are already on a call, you can switch to speaker mode by pressing the speaker button.
- When the call begins to play through the speakers, hang up the handset.
- You can revert to the handset simply by picking it up again.  
Using the hold function:
	- To place an ongoing call on hold, press the hold button.  When a call is on hold you do not hear the caller nor can they hear you.
- To revert to the call, press the hold button again. 
Using the mute function:
	- To mute an ongoing call, press the mute button.  When a call is muted you continue to hear the caller, but they cannot hear you.
- To revert to a regular call, press the mute button again.
Instructional Video: