What model of controller do you have? There are several systems that this phone will work on. Mitel 3000, 5000, and 3300. Which model of main controller do you have? There are a few others but to answer this question more details are needed. What does the display of the phone say?
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What model of controller do you have? There are several systems that this phone will work on. Mitel 3000, 5000, and 3300. Which model of main controller do you have? There are a few others but to answer this question more details are needed.
What does the display of the phone say?