- While on an active call, press the Volume keys to adjust the in-call volume.
- Tap speaker to enable or disable the speakerphone.
- To enable or disable mute, tap mute.
- To enable or disable hold, tap hold.
- To initiate a conference call, tap add call.
- To access the keypad, tap the Keypad icon.
- To return to the in-call options, tap the Options icon.
- To access the start screen, tap the Windows key.
- To return to the call, tap the Status bar.