You can change the language for your audio announcements, voice prompts, IP phone display, and email communication. If you don’t want to change the preferred language, the language set by your system administrator at the organization level is used. You can enable this feature using Calling User Portal or User Hub.
Go to https://settings.webex.com and select Webex Calling.
From the Calling User Portal, click the profile drop-down in the upper right corner.
Click Account Settings.
From the drop-down menus under Announcement Language and Email Language, select your preferred language.
For details on languages supported by Webex, see supported languages.