Avaya BM12 Button Key Expansion Module – 12-Button Expansion Unit

Avaya BM12 Button Expansion Module Side car 700480643 - Refurbished

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Avaya BM12 Expansion Module 12 Lines Display Ethernet RJ-45 BM12D01A-1009

Avaya IP Office 500 700480643 BM12 12 Button Expansion Module

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Avaya BM12 Phone Expansion Module 700480643 Charcoal Gray BM12D01A-1009