The Inter-tel 550.8500 IP Endpoint telephone features 21 programmable keys with lamps, adjustable base, message lamp in right hand corner of unit, and headset jack.
Key Features:
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Red and green lamps indicate when a call is active, ringing or holding
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Self-test function to check all keys, lamps and LCD
Compatibility:
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Works with the Inter-Tel Axxess System
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