Device Adapter enables deployed UNIStim IP, digital, and analog devices to be reused in an Avaya Aura® solution. It is a modular, reusable solution that enables Unified Networks IP Stimulus (UNIStim) IP, digital, and analog phones that are used as Unified Communications (UC) phones and that work with Avaya Communication Server 1000 (CS 1000) to migrate to Avaya Aura® without significant investment on the existing infrastructure. Device Adapter offers a feasible solution to CS 1000 customers to take advantage of Avaya Aura® features while minimizing expenses on the cables and hardware.