Android telephony

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Android telephony

The features in this guide describe networking and telephony management capabilities you can implement in your device policy controller DPC app. This document contains code samples and you can also use the Test DPC app as a source of sample code for Android's enterprise features. A DPC app can run in profile owner mode on personal devices or in device owner mode on fully managed devices. This table indicates which features are available when the DPC runs in profile owner mode or device owner mode :. On personal devices, a single dialer in the personal profile can make and receive personal calls as well as work calls. In addition, work contacts are well integrated into the system UI. The system UI indicates incoming work calls using a briefcase icon. The callLog also shows the icon to designate incoming and outgoing work calls. The messaging app can do local caller ID and search. The user can access and call work contacts from their personal profile, which display in the search screen of the dialer app. The user can search for work contacts—using autocomplete—that are synced locally to the device, and listed through a remote directory lookup. The DPC controls the permission to search work contacts. Running in profile owner mode, the DPC manages the visibility of work contacts in the personal profile. For more information, see Build a device policy controller.

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The Android Telephony stack is complicated and contains many parts, each of which can be more or less grouped into the categories pictured below. Telephony is an umbrella term used to describe nearly everything relating to communication with a cellular network. Put simply, the communication from the modem to the frameworks is just data serialization. Data is sent between the frameworks and the modem, marked by a special identifier code, and structured in a special format understood by all parts of the stack. Specifically, there is one way to send data to the modem, and two ways to receive data from the modem. This is generally to perform a task e. When receiving data from the modem, there are two different types of responses: solicited and unsolicited.

Use the Telecom Jetpack library to offer the best video and audio experiences to your users. With the Telecom framework, you get call and notification management, foreground support and more. The new Jetpack library adds support for:. To learn more about how to build a calling app with the Telecom library, check out the Telecom guide. For devices like tablets, which don't traditionally require a Telephony implementation, Android 14 API level 34 introduces new requirements that mandate a proper Telecom framework implementation for tablets that support VoIP.

Android telephony

The features in this guide describe networking and telephony management capabilities you can implement in your device policy controller DPC app. This document contains code samples and you can also use the Test DPC app as a source of sample code for Android's enterprise features. A DPC app can run in profile owner mode on personal devices or in device owner mode on fully managed devices. This table indicates which features are available when the DPC runs in profile owner mode or device owner mode :. On personal devices, a single dialer in the personal profile can make and receive personal calls as well as work calls. In addition, work contacts are well integrated into the system UI. The system UI indicates incoming work calls using a briefcase icon. The callLog also shows the icon to designate incoming and outgoing work calls. The messaging app can do local caller ID and search.

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The Android Telecom framework also known simply as "Telecom" manages audio and video calls on an Android-powered device.

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