Key Features:
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Aastra A1611-0000-10-07 M622 (Charcoal)
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The M622 Meridian Mate Expansion Module is compatible with M6320
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22-button expansion unit, with associated LCD indicators, providing additional keys for lines or features
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Up to two units can be used, for a total of 44 extra programmable buttons
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Combined with Meridian Digital Centrex, the M622 offers effective mini-console capabilities
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