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Mitel
®
 8662 IP Phone User Guide – Issue 14, May 2010
Page 37
Call Features
Using Secondary Extension Buttons
You can use programmable buttons as Secondary Extension buttons.
5
 Secondary Extension 
buttons are assigned to other extensions in the system (primary extensions). Because 
Secondary Extension buttons are programmed by the system administrator, you cannot change 
the buttons (for example, assign features to the buttons).
When programmed, you can use Secondary Extension buttons to:
 •
Place an internal call to the primary extension.
 •
View the call activity at the primary extension.
 •
Transfer calls to the primary extension.
 •
Answer a call that is ringing or holding on any CALL button at the primary extension.
5.
Secondary Extension buttons must be programmed by your system administrator. 
NOTES
Unless internal calls are set up by the system administrator to use CALL buttons, 
you cannot use Secondary Extension buttons to answer ringing or holding internal 
calls received by the primary extension.
You can use Secondary Extension buttons to notify you when a given number of 
calls are waiting at the primary extension.
If a Secondary Extension button is flashing (the primary extension has an 
incoming call), you can press # before pressing the flashing Secondary Extension 
button to call the primary extension and not answer the incoming call.