Avaya IP Office 500 V1 Control Unit 700417207 w/ 2x DS8 ATM4 VCM32 Modules

Avaya IP Office 500 Control Unit PCS10 IPO IP500 700417207 w/ Module

Avaya IP500 CONTROL UNIT PCS10 700417207 700431778 700417389 700504031

Avaya IP Office 500 Wall Mounting Kit 700430150 for Processor & Expansion Cards

Avaya IP Office IP500V2 Control Unit PCS13 700476005 w/ 3 Modules

Avaya IP Office Digital 8 700417330 / Includes IP 500v2, And Rack Mount

Avaya IP Office 500 - VCM 32 700417389 32 Channel Voice Compression

Avaya IP Office 500 PCS 08 Control Unit Modular PBX System - 700417207