Cisco 2911-V/K9 Integrated Services Router Voice UC License

The Cisco 2911-V/K9 Integrated Services Router Voice UC License is a voice-enabled enterprise router that unifies data and voice services for Cisco branch networking infrastructures. Built on the Cisco 2900 Series ISR, it combines integrated routing with voice gateway capabilities and unified communications features to support IP telephony, data networking, and voice services in Cisco branch office deployments. It provides 3 integrated Gigabit Ethernet ports and offers expansion through EHWIC, DSP, and service module slots to scale with growing networks. Security is built in with an integrated firewall, VPN, and advanced security services, while WAN connectivity remains multi-service, supporting IPv4 and IPv6 and routing protocols including OSPF, EIGRP, BGP, and RIP. Management is via CLI, SNMP, and Cisco network management tools. Mounting options include rack-mountable or desktop installation, positioning this router as an enterprise branch device for voice and data networks. It is commonly deployed in corporate offices, call centers, retail networks, and distributed locations to provide secure routing, voice gateways, and unified communications integration for IP telephony and data transmission. Common replacements include Cisco ISR 4321/K9, 4331/K9, and 4351/K9.