sudo tar xf signal-cli-"${VERSION}".tar.gz -C /opt
sudo ln -sf /opt/signal-cli-"${VERSION}"/bin/signal-cli /usr/local/bin/
```
-[Install on Ubuntu](https://github.com/AsamK/signal-cli/wiki/HowToUbuntu)
-[Use DBus Service](https://github.com/AsamK/signal-cli/wiki/DBus-service)
+You can find further instructions on the Wiki:
+- [Install on Ubuntu](https://github.com/AsamK/signal-cli/wiki/HowToUbuntu)
+- [DBus Service](https://github.com/AsamK/signal-cli/wiki/DBus-service)
## Usage
* Register a number (with SMS verification)
signal-cli -u USERNAME register
+
+ You can register Signal using a land line number. In this case you can skip SMS verification process and jump directly to the voice call verification by adding the --voice switch at the end of above register command.
* Verify the number using the code received via SMS or voice
The password and cryptographic keys are created when registering and stored in the current users home directory:
- $HOME/.config/signal/data/
+`$XDG_DATA_HOME/signal-cli/data/` (`$HOME/.local/share/signal-cli/data/`)
-For legacy users, the old config directory is used as a fallback:
+For legacy users, the old config directories are used as a fallback:
+
+ $HOME/.config/signal/data/
$HOME/.config/textsecure/data/