Which feature enhances the accessibility of Webex Calling for users across different devices?

The feature that enhances the accessibility of Webex Calling for users across different devices is Bring Your Own Device (BYOD). This approach allows users to connect their personal devices, such as smartphones, tablets, and laptops, to the Webex Calling platform. As a result, users can access their calling services from multiple devices that they are already familiar with, offering flexibility and convenience.

BYOD significantly increases user accessibility, as it removes the need for specific hardware provided by an organization, thus making it easier for users to engage with the Webex Calling service anywhere, anytime, using devices they choose. This capability is particularly beneficial in modern work environments, where remote and hybrid work practices are prevalent.

In contrast, while personal voicemail, unified messaging, and file sharing are useful features within the Webex system, they do not specifically address the accessibility aspect across various devices in the same way that BYOD does. Personal voicemail serves as a way to manage missed calls, unified messaging consolidates communication types, and file sharing facilitates document exchange, but none of these features directly enhance the capability to access the platform on multiple devices.