Key/Button Programming
Aspire and UX

Speaker

751
Button to be programmed (If the button is already programmed with a number, enter 0000, and then continue)
01
Enter ext #
Hold

If you are trying to program a Headset

Speaker
751
Button to be programmed (If the button is already programmed with a number, enter 0000, and then continue)
05
Enter ext #
Hold