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8528 Telephone User Guide – Issue 2, June 2010 Page 41
Call Features
Using Secondary Extension Buttons
Secondary Extension buttons must be programmed by your system administrator. You can use
programmable buttons as “secondary extensions.” Secondary Extensions 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.
NOTES
The system administrator must set up the Call buttons for internal calls or you
cannot use Secondary Extensions at 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.