# MbmsErrors.GroupCallErrors

Added in[API level 29](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)

# GroupCallErrors

*** ** * ** ***

Kotlin\|[Java](https://developer.android.com/reference/android/telephony/mbms/MbmsErrors.GroupCallErrors "View this page in Java")  

```
open class GroupCallErrors
```

|---|--------------------------------------------------------------------------------------------------------------------------------------------------------|
| [kotlin.Any](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-any/index.html)                                                                         ||
| ↳ | [android.telephony.mbms.MbmsErrors.GroupCallErrors](https://developer.android.com/reference/kotlin/android/telephony/mbms/MbmsErrors.GroupCallErrors#) |

Indicates the errors that are applicable only to the group call use-case.

## Summary

|                                                                                                                                                                                                                                                                                                                             Constants                                                                                                                                                                                                                                                                                                                              ||
|----------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| static[Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html) | [ERROR_DUPLICATE_START_GROUP_CALL](https://developer.android.com/reference/kotlin/android/telephony/mbms/MbmsErrors.GroupCallErrors#ERROR_DUPLICATE_START_GROUP_CALL:kotlin.Int) Indicates that the app called[android.telephony.MbmsGroupCallSession#startGroupCall](https://developer.android.com/reference/kotlin/android/telephony/MbmsGroupCallSession.html#startGroupCall(kotlin.Long,%20kotlin.collections.MutableList,%20kotlin.collections.MutableList,%20java.util.concurrent.Executor,%20android.telephony.mbms.GroupCallCallback))more than once for the same`tmgi`. |
| static[Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html) | [ERROR_UNABLE_TO_START_SERVICE](https://developer.android.com/reference/kotlin/android/telephony/mbms/MbmsErrors.GroupCallErrors#ERROR_UNABLE_TO_START_SERVICE:kotlin.Int) Indicates that the middleware was unable to start the group call.                                                                                                                                                                                                                                                                                                                                     |

## Constants

### ERROR_DUPLICATE_START_GROUP_CALL

Added in[API level 29](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)  

```
static val ERROR_DUPLICATE_START_GROUP_CALL: Int
```

Indicates that the app called[android.telephony.MbmsGroupCallSession#startGroupCall](https://developer.android.com/reference/kotlin/android/telephony/MbmsGroupCallSession.html#startGroupCall(kotlin.Long,%20kotlin.collections.MutableList,%20kotlin.collections.MutableList,%20java.util.concurrent.Executor,%20android.telephony.mbms.GroupCallCallback))more than once for the same`tmgi`.  

    Value: 502

### ERROR_UNABLE_TO_START_SERVICE

Added in[API level 29](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)  

```
static val ERROR_UNABLE_TO_START_SERVICE: Int
```

Indicates that the middleware was unable to start the group call.  

    Value: 501