This is a subscription for Avaya's Unified Communications (UC) solution, specifically the Communication Manager (CM) and related services. It includes software support, a Named User Address, and Presence Tracking capabilities.
This particular part number signifies a subscription for a single named user, providing them with access to essential UC features and ongoing technical support from Avaya.
351931 - Avaya SUB SA SUPT CC NU DM ADDR NAME PR TRACK