5505 Guest IP Phone Administration Guide
Call Handling
Muting a Call
You can mute your handset during a call so your caller no longer hears you.
•Press the Mute key 
.
•Press the the Mute key 
again to unmute the call.
Joining a Call/Conference
The 5505 Cordless Handset can join an existing call between the base unit and an external party by pressing either the Talk or Speakerphone key. However, it cannot join a call between another cordless handset and external party.
The 5505 Cordless Handset cannot join a call while the base unit is dialing.
•Press 
•Press 
to end the conference.
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