Making a Call Using the Speakerphone
1Press HANDSFREE.
2Dial the number.
Note: For optimal speakerphone quality, when using the handset, make sure the belt clip is on. This raises the handset up so it is not lying flat (the speakerphone is on the back of the handset). Pressing Handsfree while in the Phonebook, Caller ID Redial lists, automatically turns on the speakerphone and dials the number.
Switching Between the Handset and Speakerphone
Press HANDSFREE to toggle between handset and speakerphone.
Muting a Call
Press MUTE. To unmute the call, press UNMUTE.
Using Your SD4580
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