This app sends predefined SMSs commands to GSM switches such as G1 pro to control intruder alarm systems like Z4 Ultra. By using this app you don't need to type the content of SMS and the app will send predefined content to the number you saved in the settings. Use this app if it's mentioned in your alarm system user manual. Tag: Z4 Ultra, G1 Pro, SMS, Autodialer, Classic.
Classic is the developer of the app which can be found in the Tools category. Over 10K users installed Z4 Ultra and the latest update was launched on Mar 8, 2019. Google Play shows that this application is rated 4.1 by its users.
It's free to get the installer of Z4 Ultra, also, you can take a look at users' reviews on Droid Informer. The app works fine on Android 4.0 and above. The download of the app is safe and secure.