To turn the speakerphone on or off

©Touch the SpeakerKey .
The Speaker Key lights up to indicate that the speakerphone
is on. The Speaker icon will appear in the Status bar
and the sound from your call is played through the phone's
speaker.
When viewing the current call screen, you can turn the
speakerphone off by touching the SpeakerKey again.
The speaker is turned off automatically when the call ends.
WARNING!
To avoid damage to your hearing, do not hold the phone against
your ear when the speakerphone is turned on.

To switch between a Bluetooth headset and the phone

When a Bluetooth headset is paired and connected to your phone,
you can conduct calls on the headset for hands-free conversation.
During a call, you can opt to use the Bluetooth headset or just the
phone.
When using the Bluetooth headset during a call, the Ongoing Call
notification icon is blue in the Status bar.
©Touch the BluetoothKey to switch the call from the
headset to the phone, or vice versa.
Managing Multiple Calls
If you accept a new call when you're already on a call, you can
switch between the two calls or merge the two calls into a single
conference call. You can also set up a conference call with multiple
callers.

To switch between current calls

©Touch the SwapKey .
The current call will be placed on hold and you will be
connected with the other call.
Bluetooth
Speaker
Speaker
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Placing and Receiving Calls