If you're away from your office and need to make a call, but do not want others to know your mobile number, you can make calls using the anywhere feature. To use this feature you need to set up your anywhere mobile phone in the end-user portal.
To call using the anywhere feature:
Did you know? Anywhere is a feature only available with premium seats. If you don’t find the anywhere feature in your end-user portal, you do not have a seat that supports that feature. Contact your organization's administrator to access this feature.