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1.2 Making Calls
User Manual 23
• The Single-CO (S-CO) and Group-CO (G-CO) button lights show the current status as
follows:
Off: The line is idle.
Green on: You are using the line.
Red on: Another extension is using the line (S-CO), or other extensions are using all
outside (CO) lines in the outside (CO) line group (G-CO).
• Emergency Call
You can dial preprogrammed emergency numbers after seizing an outside (CO) line
without any restrictions.
• You can press the S-CO or G-CO button without going off-hook first.
• You may be restricted from making calls to certain outside parties. If you have questions
about your calling restrictions, consult your manager or dealer.
• To make a call to another party without going on-hook, press the FLASH/RECALL
button. Pressing the button will re-access the outside (CO) line and provide an external
dial tone. You can dial the new phone number without going on/off-hook.
• Hands-free Operation
You can make an outside (CO) line call and have a conversation in hands-free mode using
the SP-PHONE button. Refer to "1.4.8 Talking to Another Party without Lifting the Handset
(Hands-free Operation)".
Customising Your Phone
• 3.1.2 Changing Personal Settings Using Programming Mode–Line Preference—
Outgoing
Select the seized line when going off-hook.
• 3.1.3 Customising the Buttons
Create or edit a Single-CO (S-CO) button, Group-CO (G-CO) button, or Other-CO (O-
CO) button.