Cisco ONE Advanced UC Services Perpetual | Unified Communications License — C1AUPISR2900SK9

Keep essential voice services running on the router you already trust. Cisco ONE Advanced Unified Communication provides a perpetual licensing model for CME/SRST and CUBE capabilities, giving infrastructure teams a durable path for call control, survivability, and session-border functions. With support for 25 CME/SRST seats and 25 CUBE sessions, it fits branch and distributed enterprise environments where voice availability matters more than feature churn. This license is designed for organizations that need predictable ownerJTFp and long service life. Perpetual licensing reduces renewal complexity while preserving the operational controls required to support local call processing and secure voice interconnects. For teams standardizing on Cisco routing platforms, it helps extend the value of existing hardware while keeping communications services aligned with enterprise requirements. Choose this entitlement when uptime, continuity, and controlled expansion matter more than short-term pricing. It is a practical fit for environments that need to protect voice workflows, maintain local calling during WAN disruption, and support SIP-based connectivity with a clear licensing footprint. Ideal For Branch office voice deployments requiring local survivability Cisco router-based SIP interconnect environments Distributed enterprise call control on existing infrastructure Standardized communications licensing for a single router Why This Product 1 Perpetual ownerJTFp instead of recurring subscription 2 Includes CME/SRST for 25 seats 3 Includes CUBE for 25 sessions 4 Designed for Cisco router-based voice services