TCT Mobile MTAG 351 User Manual page 33

Touch Bluetooth to switch between headset and phone. To
adjust the volume during a call, press Volume up/down
key.
Touch to add a third party call.
this
Touch to turn on the loudspeaker. Touch this
icon again to turn off the loudspeeker.
Touch to connect to Bluetooth headset. Touch
this icon again to disconnect to Bluetooth
headset.
Touch to hang up the call.
Touch to mute the current call. Touch this icon
again to unmute the call.
During a call, you can press Home key to return to home
screen and then do more operation. You can dray down the
status bar and touch Current call to return to the calling
Touch to open the keyboad. Touch
icon again to hide the keyboard.
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