Polycom SoundPoint IP 550 Quick Start Manual page 14

SPEAKERPHONE
While the phone is not in use:
•
Press the "Speakerphone" button to activate the speakerphone and
get dial tone for an outbound call.
While on a call on the handset / headset:
•
Press the "Speakerphone" button to continue the current call on the
speakerphone.
While a call on speakerphone is active:
•
To hang up the current call, press the "Speakerphone" button.
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