Avaya SA PREF C/D CMS R21 NEW/ADD CLNT EX 3YMO

Maintain endpoint and extension continuity for Avaya CMS R21 with targeted coverage for new or added clients and extensions. The SKU (356026J) focuses on entitlement and support for NEW/ADD CLNT EX scenarios, delivering vendor-backed remediation for provisioning, client registration, and extension mapping issues under the referenced term (3YMO). This is intended for teams adding seats or migrating devices who require assurance that new clients and extensions will be supported by Avaya without renegotiating base platform licenses. Compared with generic support agreements, this SKU narrows scope to client/extension lifecycle events — reducing procurement friction and providing predictable escalation paths for issues that directly affect call routing, presence and endpoint registration. Choose this offering when you need assured vendor coverage for onboarding, troubleshooting, or extending client/extension capacity in production CMS R21 environments.