By default, Cisco
IP Phones are set up for the English (United States) locale. To use the Cisco
IP Phones in other locales, you must install the locale-specific version of the
Unified Communications Manager Endpoints Locale Installer on every Cisco
Unified Communications Manager server in the cluster. The Locale Installer
installs the latest translated text for the phone user interface and
country-specific phone tones on your system so that they are available for the
Cisco IP Phones.
To access the Locale Installer required for a release, access https://software.cisco.com/download/navigator.html?mdfid=286037605&flowid=46245, navigate to your phone model, and select the Unified Communications Manager Endpoints Locale Installer link.
For more information, see the documentation for your particular Cisco Unified Communications Manager release.
Locale Installer may not be immediately available; continue to check the
website for updates.