Starting the Acceptance Devices App Server {#ttp-sis-ad-app-starting-server-intro}
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To process payments on your Android device using the Acceptance Devices app and your point-of-sale (POS) system, you must start the Acceptance Devices app server on the Android device.

Start the Acceptance Devices App Server {#ttp-sis-ad-app-start-server}
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Before you can start the Acceptance Devices app server, you must activate an Android device in the Acceptance Devices app. For more information, see [Activating an Android Device in the Acceptance Devices App](/docs/vas/en-us/tap-to-phone-sis/integration/all/rest/tap-to-phone-sis/ttp-sis-get-started-intro/ttp-sis-ad-app-activate-terminal-intro.md ""). Follow these steps to start the Acceptance Devices app server:

1. Before you start the server, the Device Status screen shows the *Device is not connected* message. Tap Connect Device.  
   ![](/content/dam/documentation/cybs/en-us/topics/payments-processing/card-processing/tap-to-phone-sis/images/ttp-sis-get-started-ad-app-server-1.png/jcr:content/renditions/original)
2. After you start the server, the Device Status screen shows the *Device connected* message. The Android device is activated and ready to accept transactions.  
   ![](/content/dam/documentation/cybs/en-us/topics/payments-processing/card-processing/tap-to-phone-sis/images/ttp-sis-get-started-ad-app-server-2.png/jcr:content/renditions/original)
3. Tap the back navigation arrow to finish setting up.