Google Voice primarily relies on an internet connection to facilitate its services, as it is a cloud-based communication platform. Users typically make voice calls, send text messages, and manage their voicemail using either a web browser or the Google Voice mobile application. Without an active internet connection, these features may be limited or unavailable. However, there are a few scenarios to consider. If users have previously downloaded voice messages or text conversations while connected to the internet, they may still access those offline. Furthermore, Google Voice can forward calls to a mobile number, allowing calls to be received even when not directly using the app. Nevertheless, for the full functionality and seamless experience that Google Voice offers, an internet connection is essential. Those looking for more information about optimizing their use of Google Voice may want to check the official Google Voice support page for additional assistance.