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What is com.android.server.telecom? Few Things to know

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The Android telecom framework allows us to understand the term com.android.server.telecom and we will also explore why it is important for Android users worldwide. Basically, we are interested in various terms such as SIM-based calls that are the ones we do when we make use of telephony framework or the VoIP calls that implement connection service API.

We are also going to explain major components that telecom manages, such as connection service or in-call service.

What is com.android.server.telecom?

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In the most simple sense, this is also known as the Android telecom server. This is what is used to manage calls on an Android device. It is possible to do this via SIM, VoIP, SIP, and others. In view of this, we will learn more about Android telecom management as we explain in detail what com.android.server.telecom is.

Here is how it works. Let use a Samsung phone as an example. Once you place a call on a Samsung mobile phone, it goes through the Android GUI. The GUI stands for graphical user interface for an Android app, in this case, the Samsung phone. There are several GUI modules but this one is concerned about dialogues.

For example, you place a call through Samsung, and it goes through the com.samsung.android.incallui. Once you place that call, the com.android.server.telecom uses the Android framework to initiate the calls with the help of the SIM card module that in turn establishes the connection securely.

Basically, this is what the com.android.server.telecom is used for, but there are other functions attached or supported by it.

Various Functions of com.android.server.telecom

These functions are set out below. Now, just think: when you place a call over your Android smartphone, you hardly think about the processes involved in that action because the Android system makes everything work seamlessly. Did you know that there are multiple functions to that call you just made or are about to make?

Let us examine each of these ones by one.

Android Server

In-Out Calls

com.android.server.telecom is responsible for the in calls functions on any Android device. Or out-call functions. You will see call logs on your smartphone or any other Android device. The server tasks the phone GUI to display the message on the screen for the user to see.

Call Details Maintenance

This is another vital function of the com.android.server.telecom. It displays call-related information like the names of the callers, their numbers, and other parameters. It does this by fetching the details from an Android database, including a phonebook and internet database.

Call Recall

This function has to do with holding all RTT information for a particular call. Popularly known as Round-Trip Time, it is the time between initiating a network request and receiving a response. Thus, RTT information is like the route of the and the rerouting of the call, this com.android.server.telecom handles all the network-related data for the call.

CallAudioState

This server is also responsible for handling all the in-call audio features, such as the status. Thus, you may want to check if a call is muted, or if an incoming/outgoing call is working properly. This com.android.server.telecom also holds control over call recordings.

CallRedirectionService

This part of the server is responsible for call redirection service. The other term for that is call diversion. It also works with RTT mentioned above. All redirections and call diverts will be kept by the service.

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CallScreeningService

This part of the server works handles all the call filters or call screening services. It is already active before the call is shown on the mobile screen. If the call is from a blacklisted number, it is rejected immediately or automatically. If it is not, the call is put through.

Conference Function

This holds the information about conference calls. It is also responsible for maintaining conference calls through an app. It holds information such as the number of people connected to a conference call, their names, numbers, and also it maintains the conference call log and the audio.

Connection

This com.android.server.telecom function ensures that call connections are established in the proper manner. It is also responsible for maintaining the call session or duration. It also manages the call logs as well as other vital information.

Connection.VideoProvider

The function enables the connection status of a video call over VoIP (Voice over Internet Protocol) made through internet connections, or VoLTE (Calls over 4G internet) network on an Android device.

Android Server 1
Android Server 1

StatusHints

All symbols and all the notifications seen on Android when you are making or receiving a call are handled by this com.android.server.telecom function. It is also responsible for informing the user about all the in-call actions such as call hold, call mute, conference calls, and more.

DisconnectCause

This com.android.server.telecom detects the reason why a call is disconnected. Of course, the user will see the reason; maybe network error, known as network state error, other things such as network establishment errors.

InCallService

This function plays an integral part after a call is disconnected. It holds all the information before and after a call is made. It can fetch the calls on mobile screen, maintain the logs, etc.

PhoneAccount

All the information related to the call account is held here. For example, this function holds all the information about a calling account such as the VoIP detail, or the SIP account detail, type of network used to make calls, and more. It can also hold SIM card details, network mode used, and other third-party apps used.

VideoProfile

The function holds all information about video call-related details, such as the account used to make the call, the call log for video calls, maintenance of video calls profiles, the status of video calls. It also informs the Android user if the video call he or she is about to make is possible or not.

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VideoProfile.CameraCapabilities

All the in-video call functions are handled by this VideoProfile.CameraCapabilities. It must maintain a record of all camera settings, camera quality, and other camera details about a video call done on Android. It also makes sure that the camera is able to function properly during a video call, thereby fetching details once the call is made.

Misconceptions Between Android Server Telecom and Android InCallUI

Both are different, as explained above. The Android graphics user interface is the one referred to as Android InCallUI but the Android Server Telecom is a framework for placing calls via various means on Android.

Conclusion

The com.android.server.telecom function is a very important Android feature that has to do with all call-related actions on an Android device. It helps in making sure that any functions related to video calls, audio calls, network information, call account, call quality, connection, and other parameters work as required. It is a part of the Android telecom server that makes our lives convenient.

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