When there are three-way call, press the left soft key to enter option "switch"
menu to switch the call card.
Speakerphone: Hands-free call to open the current function (Note: During a
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call press the right software can also perform hands-free interface call).
Mute: Do not send / send local voice restoration
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Switch: Exchange the side of keeper and activitier.
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End the single call: end the active current call.
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End the current call: end the current to maintain the call.
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Transfer: The current call transferred to other phones.
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Volume: Modified the implementation of the current call volume.
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DTMF: On or off DTMF.
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Recording: Record a voice.
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Address Book: To enter the phonebook menu.
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Information: To enter the information menu.
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* Note: Some menu items only appear in the circumstances determined.
Such as "switch" only exists in the state of the phone and call phone only
appears to be suspended
3.4 Handsfree
Ø During the call, click on the touch screen or press the right soft key can be
hands-free speakerphone.