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	Avaya Definity Callmaster IV (3179-40)   E-mail this product to a friend Avaya Definity Callmaster IV (3179-40)  6 Call Appearance/Feature Buttons. 15 Exclusive Feature Buttons. 2-Line Supertwist Display. 2 Headset Jacks. Adjunct Jack used for connecting compatible adjunct equipment such as an S101A or S201A Speakerphone, a 502A Adapter, or a 500A Headset Adapter. Other buttons include: Drop/Test, Conference/Ring, Hold, Transfer, Release, Log in, Mute, Volume Control. Regular Price: $339.00  On Sale For: $329.00  Quantity:
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