New Avaya Model EU24 / 24 Button Console/Expansion DSS Module/IP Office Phone.

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

(2) Avaya EU24 24 Button Backlit Expansion DSS Module Console IP Office Phone A5

Avaya DBM32 Expansion Module Wall Mountable 9600 Series 700469968 RJ-11

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

NEW Replacement Handset for Avaya IP / Digital Phone 2400 5400 4600 5600 Gray

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