The CISCO ISR4321-V/K9 is an Integrated Services Router designed to enrich communication capabilities within small to medium-sized businesses or enterprise branch offices. This version comes bundled with a Unified Communications (UC) license and supports up to 10 CUBE (Cisco Unified Border Element) sessions, enabling seamless and secure voice and video connectivity across various networks. The router includes 2 Gigabit Ethernet ports and 2 Network Interface Module (NIM) slots for extensive networking flexibilities, such as WAN, LAN, and voice interfaces. Equipped with 4GB of DRAM and 4GB of flash memory, it delivers robust performance for both communications and standard routing functionalities. The ISR4321-V/K9 runs on Cisco IOS XE software, providing a rich set of features for advanced routing, security, and management, making it an ideal solution for businesses looking to integrate their voice, video, and data communications onto a single, secure platform.