Avaya SA ESS+UA C/D PRT 8X5 CAM RC212 3YAN

Buy predictable software maintenance and upgrade rights for Avaya C/D PRT RC212 with a three-year Software Assurance Essential plus Upgrade Assurance package (MPN 355563J). This SKU aligns to 8x5 coverage expectations common in campus and branch environments, delivering access to essential maintenance releases, security updates and upgrade entitlement during the contract term. The Essential tier focuses on core software maintenance and stability, while the included Upgrade Assurance ensures licensed access to new major releases published by Avaya over the 36-month period. For infrastructure teams balancing cost and risk, this package preserves compatibility and offers a defined path for planned upgrades without forcing emergency refresh purchases. Use this SKU when you need vendor-backed update access and predictable support cadence for RC212 endpoints and platform components.