Handset 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.
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Handset Operation
Mute Function
• During an active call, pressing the MUTE/
DELETE key will disable the microphone.
The screen will display MICROPHONE
MUTED briefly:
• Press MUTE/DELETE again to return to normal 2-way conversation. MICRO-
PHONE ON will display briefly.
Intercom Call
• From the idle (OFF) mode, press INT . The
Handset will display:
• The other Handset will ring and the screen will display:
• Press INT or SPEAKER to answer the intercom call. The screens will display:
• Press INT or OFF on either Handset to end the call.
NOTE: If the other Handset is out of range, or on an external call, when you intercom it, the display of the first handset will show:
Call Forward and Call Transfer
An external call can be forwarded or transferred from one Handset to the other
Handset. The difference between forward and transfer depends on if the sending Handset needs to talk with the receiving Handset, before the external call is actually sent to the other Handset.
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Handset Operation
Call Forward
• A Handset (HS1) on an external call can forward it to the other Handset (HS2) by pressing and holding the INT key. The display of HS1 will initially show:
• HS2 can press ON to answer the call.
NOTE : If HS2 does not answer the call in about
30 seconds, the external call will be returned to
HS1 and the display will show:
If the returned call is not answered within another 30 seconds, the external call will end automatically.
Call Transfer
• A Handset (HS1) on an external call can forward it to the other Handset (HS2) by pressing the INT key.
NOTE : The external call is put on hold automatically.
• HS2 will ring, showing an intercom call.
• HS2 can answer the intercom call by pressing ON .
• Intercom call link is established while the external call is still on hold. HS1 may discuss the external call with HS2.
• When HS1 presses OFF , the external call is then transferred to HS2. CALL
TRANSFERRED will display on HS1 briefly.
NOTE : If there is no answer on HS2, HS1 can reconnect to the held call by pressing ON .
Conference Call
It is possible to establish a conference between two Handsets and the external line.
If a Handset already has a connection to the external line, the other Handset can join the call by pressing ON , a conference will be immediately established. Both Handsets will show:
Base Operation
From the Base Unit, you can use PAGE key to locate the Handsets for 60 seconds.
• When the Handset is in idle, press PAGE . The
Handsets will display:
• To end the page at the Base, press PAGE again.
• To end the page at the Handset, press ON ,
SPEAKER or any dialing keys.
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