AVAYA IP Office 500 V2 700476005 VOIP Control Unit with 4*Expansion Modules

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

Avaya IP Office 500 V2 Control Unit PCS12 700476005

Avaya IPO 500 ATMU 700417330 Digital Station Base Card For IP Office 500 V2 #1

Avaya IP Office 500 V2 Control Unit -PCS26 700476005

Avaya IP Office 500 V2 700476005, 700431778 Phone2 & 700417439 Digital Station 8

Avaya IP Office 500 v2 Control Unit w/ 2 Expansion Card Modules

Avaya IP Office 500 V2 Control Unit -PCS26 700476005