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Handset Operation
Basic Operation
Making Calls
• Press ON (or SPEAKER to use the Handset
Speakerphone feature). Dial the phone
number.
-OR-
Dial the phone number first, then press ON
(or SPEAKER).
• Press OFF to end your call.
Answering Calls
• Press ON, SPEAKER or any dialing keys.
• Press OFF to end your call.
Adjust the Handset Volume
• The volume control is on the left edge of the
Handset. During a call, press
or key to
adjust the listening volume to a comfortable
level. When you reach the maximum or
minimum setting, a double-beep will sound.
NOTE: The procedure is the same for the Handset
earpiece, Speakerphone and Headset.
Flash Function
• You can use your ip 5850 with services such as
Call Waiting. When you receive a call-waiting
signal, simply press the ON/FLASH key to
switch to the new call. Press ON/FLASH again
to switch back to the original call.
NOTE: Use ON/FLASH to access other phone
company subscriber services, as described by
your provider.
Redial Function
• Press REDIAL/PAUSE to display the last
telephone number dialed from the Handset
(up to 32 digits). Use
or to scroll
through the 5 previously dialed numbers.
When the beginning or the end of the redial
list is reached, a double-beep will sound.
• Pressing OFF will exit the redial review list.
• When the desired number is reached, press ON or SPEAKER to dial.
• When the desired entry displays, press DELETE to delete it. A confirmation
tone will sound.
NOTE: If the redial memory is empty, and REDIAL is pressed, a double-beep will
sound.