Open Box Avaya SBM24 SBM2401B-1009 700462518 Button Module

Avaya SBM24 Expansion Button Module (BIN212)

Avaya SBM24 24-Button Key Expansion Module 700462518

Used Avaya SBM24 Telephone Button Module

Avaya 9621G IP Telephone Refurbishd

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AVAYA SBM24 IP Button Key Expansion Module for 9600 Series Phones SBM2401B-1009