Avaya 9608 IP Deskphone with SBM24 24 Button Handset Expansion Module

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Avaya SBM24 Button Key Expansion Module 700462518 for 9600 Phone

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Avaya SBM24 24-Button Key Expansion Module 700462518

Avaya SBM24 Button Expansion Module 700383417, 700426737, 700462518 REFURBISHED

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