1.While you are on the first call and the second call comes in, answer the incoming
call, and then touch 
> Swapcalls.
2.The current call is placed on hold and you are connected to the first call.
3.4 Using Call log
The Calllogcontains a list of calls that you have dialed, received, or missed. You can use the call log to reference a recently called number quickly or add an incoming number to your contact list.
3.4.1 Adding an entry to Contacts
1.If you are already working with Dialeror Contacts, touch the Calllogtab.
2.Touch and hold the entry you want to add.
3.Touch Addtocontacts in the options menu.
4.Touch Createnewcontactor scroll through the contact list and touch an existing contact name.
3.5 Using Airplane Mode
Some locations may require you to turn off your phone’s wireless connections. Rather than powering off your phone, you can place it in Airplane mode.
1.Press and hold 
.
2.Touch Airplanemode in the options menu.
3.6 TTY Operation
3.6.1 Using the TTY Device
The Teletypewriter (TTY) is a typewriting device. By connecting the phone to the TTY device, you can use the TTY functions to send/receive messages. When you use the TTY function, do as follows:
1.Connect the TTY device to the headset jack of the phone and set the phone to the TTY mode.
2.Make or answer calls as normal.
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