# About This Guide

The Cloud Voice App puts your business phone extension on your smartphone. This guide walks you through everyday tasks in the mobile client, from signing in and placing calls to managing voicemail, chat, and personal settings.

Each section below is a self-contained set of instructions. Use it in order if you are new to the app, or jump straight to the topic you need.

## What this guide covers

- [Getting Started](/pbx/mobile-client-user-guide/cloud-voice-app-login-overview/), Sign in to the mobile client and learn your way around.
- [Account](/pbx/mobile-client-user-guide/add-multiple-accounts-to-cloud-voice-app/), Add and switch between more than one account.
- [Password](/pbx/mobile-client-user-guide/change-cloud-voice-app-password/), Update the password for your account.
- [Presence](/pbx/mobile-client-user-guide/presence-settings/), Set your availability so colleagues know your status.
- [Directory](/pbx/mobile-client-user-guide/directory-overview/), Look up coworkers and other contacts.
- [Calls](/pbx/mobile-client-user-guide/make-a-video-call/), Place and handle voice and video calls.
- [Chat](/pbx/mobile-client-user-guide/start-a-chat/), Send messages to individuals and groups.
- [Conference](/pbx/mobile-client-user-guide/make-a-conference-call/), Start and run a conference call.
- [Voicemail](/pbx/mobile-client-user-guide/check-and-manage-voicemails/), Listen to and organize your voice messages.
- [Recording](/pbx/mobile-client-user-guide/check-and-manage-recordings/), Review and manage your call recordings.
- [Call History](/pbx/mobile-client-user-guide/view-and-manage-call-history/), See past calls and act on them.
- [Audio](/pbx/mobile-client-user-guide/change-audio-settings/), Adjust audio behavior for calls.
- [Security](/pbx/mobile-client-user-guide/restrict-inbound-calls-to-cloud-voice-app/), Control which inbound calls reach the app.
- [Theme](/pbx/mobile-client-user-guide/configure-theme-settings/), Change the look of the mobile client.
- [Upgrade](/pbx/mobile-client-user-guide/upgrade-cloud-voice-app-mobile-client/), Keep the app up to date.
- [Bug Reporting](/pbx/mobile-client-user-guide/report-cloud-voice-app-problems/), Send a problem report when something goes wrong.

:::tip
The Cloud Voice App is also available as a desktop and web client. The tasks in this guide focus on the mobile experience, but many features work the same way across every version.
:::

## Additional resources

If you also run the Cloud Voice App on a computer, or you sign in through a Google account, these related guides cover those setups:

- [Desktop Client User Guide](/pbx/desktop-client-user-guide/about-this-guide/), Run the app on a Windows or Mac computer, including Google account sign-in.
- [Web Client User Guide](/pbx/web-client-user-guide/about-this-guide/), Run the app in a web browser, including Google account sign-in.