Press the right or left edge of the key to adjust the volume

  • Of the ringer when the phone is idle or ringing

  • Of the loudspeaker in handset, casing, or headset, respectively, when in call

Muting and unmuting the microphone

  • Toggling between handsfree and handset mode

  • Dialing numbers on speakerphone

  • Accepting calls on speakersphone

Toggling between headset and handset modes.

Note: Handset mode overrides headset mode. When the handset is picked up, the headset symbol in the status line will be replaced by the handset symbol, indicating that you can now use only the handset for the call. To return audio to the headset,

press again. The headset symbol will reappear in the status line. You can then place the handset in the cradle without ending the call.

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