Google Nexus One User Manual page 81

Placing and receiving calls
You can switch applications during a call—for example, to look up information by
using the Browser. The green phone icon appears in the Status bar while the call is
underway.
Press the Volume Up / Down button to adjust the call volume.
Use the onscreen buttons to place the current call on hold, to add a caller, and for
other options, as described in "Options during a call" on page 89.
To end a call
S Touch End
To disable phone calls (Airplane mode)
Some locations may require you to turn off your phone's mobile, Wi-Fi, and Bluetooth
wireless connections. You can turn off all wireless connections at once by placing your
phone in Airplane mode.
1 Press & hold the Power button
Touch Airplane mode.
2
You can also use the Settings application to turn Airplane mode on and off and to
configure other mobile and network settings. See "Wireless & networks" on
page 309.
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The duration of the call.
Information from Contacts about the
person you're calling.
Touch to enter additional numbers
during your call.
.
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Nexus One User's Guide