CISCO SL-UC520-48UPG=

UPGRADE LICENSE EN

Cisco is the worldwide leader in networking for the Internet. Cisco provides the broadest line of solutions for transporting data, voice and video within buildings, across campuses, or around the world. Cisco solutions ensure that networks both public and private operate with maximum performance, security, and flexibility.

Software upgrades require Cisco IOS Software Release XW6 and above on the Cisco Unified Communications 500 Series and Cisco Configuration Assistant 1.5 and above.