Refurbished Avaya Definity TN792 V18 Duplication Interface

Refurbished Avaya Definity TN464F V10 Universal DS1/ISDN PRI Interface

AVAYA TN792 (103557450) Circuit Card

Avaya Definity 6408D+ Speaker Display Phone (Grey/Refurbished)

Refurbished Avaya Definity TN742 V10 8-Port Analog Line Circuit Pack

Refurbished Avaya Definity TN772 Duplication Interface

Refurbished Avaya Definity TN794 V14 Network Control/Packet Interface

Refurbished Avaya Definity TN2224B V10 24-Port Digital Circuit Card