Cisco Releases Advisory to Upgrade 8800 and 7700 series IP Phones.

Recently Cisco released a security advisory for a vulnerability that's affect Cisco 8800 and & 7700 Series IP Phones. This is recommended by Cisco to upgrade firmware of 8800 and 7700 Series IP Phones to the latest Version ( Gold Version ) Users with CUCM version 11.5 needs to install the key before installing the firmware version otherwise they will get error appear on the screen.