Programming Buttons (Office Phones)
- Press the
button at the bottom of the Programmable Buttons widget, or open the MPK app on the second page of the phone’s home screen 
- Press the
button at the top-right to add a button -
Change Key Mode to Busy Lamp Field (BLF)

-
If not already selected, select your name in the Select Account dropdown
-
Enter the user’s extension for both Name and Number, then press the check in the top-right to save

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The button will automatically update the name to the user’s name after a few moments
