diff --git a/matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/call/CallService.kt b/matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/call/CallService.kt
index d94e84c7b9..805bfd53ed 100644
--- a/matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/call/CallService.kt
+++ b/matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/call/CallService.kt
@@ -17,10 +17,11 @@
 package im.vector.matrix.android.api.session.call
 
 import im.vector.matrix.android.api.MatrixCallback
+import im.vector.matrix.android.api.util.Cancelable
 
 interface CallService {
 
-    fun getTurnServer(callback: MatrixCallback<TurnServer?>)
+    fun getTurnServer(callback: MatrixCallback<TurnServer>): Cancelable
 
     /**
      * Create an outgoing call
diff --git a/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/SessionComponent.kt b/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/SessionComponent.kt
index 5b64f2a60a..b95595ed23 100644
--- a/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/SessionComponent.kt
+++ b/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/SessionComponent.kt
@@ -30,6 +30,7 @@ import im.vector.matrix.android.internal.di.SessionAssistedInjectModule
 import im.vector.matrix.android.internal.network.NetworkConnectivityChecker
 import im.vector.matrix.android.internal.session.account.AccountModule
 import im.vector.matrix.android.internal.session.cache.CacheModule
+import im.vector.matrix.android.internal.session.call.CallModule
 import im.vector.matrix.android.internal.session.content.ContentModule
 import im.vector.matrix.android.internal.session.content.UploadContentWorker
 import im.vector.matrix.android.internal.session.filter.FilterModule
@@ -83,7 +84,8 @@ import im.vector.matrix.android.internal.util.MatrixCoroutineDispatchers
             AccountDataModule::class,
             ProfileModule::class,
             SessionAssistedInjectModule::class,
-            AccountModule::class
+            AccountModule::class,
+            CallModule::class
         ]
 )
 @SessionScope
diff --git a/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/SessionModule.kt b/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/SessionModule.kt
index c670609411..5331b9f471 100644
--- a/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/SessionModule.kt
+++ b/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/SessionModule.kt
@@ -275,6 +275,4 @@ internal abstract class SessionModule {
     @Binds
     abstract fun bindSharedSecretStorageService(service: DefaultSharedSecretStorageService): SharedSecretStorageService
 
-    @Binds
-    abstract fun bindCallService(service:DefaultCallService): CallService
 }
diff --git a/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/call/CallModule.kt b/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/call/CallModule.kt
new file mode 100644
index 0000000000..4273c4cfe9
--- /dev/null
+++ b/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/call/CallModule.kt
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2020 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.matrix.android.internal.session.call
+
+import dagger.Binds
+import dagger.Module
+import dagger.Provides
+import im.vector.matrix.android.api.session.call.CallService
+import im.vector.matrix.android.api.session.call.VoipApi
+import im.vector.matrix.android.internal.session.SessionScope
+import retrofit2.Retrofit
+
+@Module
+internal abstract class CallModule {
+
+    @Module
+    companion object {
+        @Provides
+        @JvmStatic
+        @SessionScope
+        fun providesVoipApi(retrofit: Retrofit): VoipApi {
+            return retrofit.create(VoipApi::class.java)
+        }
+    }
+
+
+    @Binds
+    abstract fun bindCallService(service:DefaultCallService): CallService
+
+    @Binds
+    abstract fun bindTurnServerTask(task: DefaultGetTurnServerTask): GetTurnServerTask
+}
diff --git a/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/call/DefaultCallService.kt b/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/call/DefaultCallService.kt
index b0c9ccc2c4..f45c06fdf4 100644
--- a/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/call/DefaultCallService.kt
+++ b/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/call/DefaultCallService.kt
@@ -28,11 +28,14 @@ import im.vector.matrix.android.api.session.events.model.toModel
 import im.vector.matrix.android.api.session.room.model.call.CallAnswerContent
 import im.vector.matrix.android.api.session.room.model.call.CallHangupContent
 import im.vector.matrix.android.api.session.room.model.call.CallInviteContent
+import im.vector.matrix.android.api.util.Cancelable
 import im.vector.matrix.android.internal.di.UserId
 import im.vector.matrix.android.internal.session.SessionScope
 import im.vector.matrix.android.internal.session.call.model.MxCallImpl
 import im.vector.matrix.android.internal.session.room.send.LocalEchoEventFactory
 import im.vector.matrix.android.internal.session.room.send.RoomEventSender
+import im.vector.matrix.android.internal.task.TaskExecutor
+import im.vector.matrix.android.internal.task.configureWith
 import java.util.UUID
 import javax.inject.Inject
 
@@ -41,13 +44,27 @@ internal class DefaultCallService @Inject constructor(
         @UserId
         private val userId: String,
         private val localEchoEventFactory: LocalEchoEventFactory,
-        private val roomEventSender: RoomEventSender
+        private val roomEventSender: RoomEventSender,
+        private val taskExecutor: TaskExecutor,
+        private val turnServerTask: GetTurnServerTask
 ) : CallService {
 
     private val callListeners = mutableSetOf<CallsListener>()
 
-    override fun getTurnServer(callback: MatrixCallback<TurnServer?>) {
-        TODO("not implemented") // To change body of created functions use File | Settings | File Templates.
+    override fun getTurnServer(callback: MatrixCallback<TurnServer>): Cancelable {
+        return turnServerTask
+                .configureWith(GetTurnServerTask.Params) {
+                    this.callback = object : MatrixCallback<TurnServer> {
+                        override fun onSuccess(data: TurnServer) {
+                            callback.onSuccess(data)
+                        }
+
+                        override fun onFailure(failure: Throwable) {
+                            callback.onFailure(failure)
+                        }
+                    }
+                }
+                .executeBy(taskExecutor)
     }
 
     override fun createOutgoingCall(roomId: String, otherUserId: String, isVideoCall: Boolean): MxCall {
diff --git a/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/call/GetTurnServerTask.kt b/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/call/GetTurnServerTask.kt
new file mode 100644
index 0000000000..d9e17d90eb
--- /dev/null
+++ b/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/call/GetTurnServerTask.kt
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2020 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.matrix.android.internal.session.call
+
+import im.vector.matrix.android.api.session.call.TurnServer
+import im.vector.matrix.android.api.session.call.VoipApi
+import im.vector.matrix.android.internal.network.executeRequest
+import im.vector.matrix.android.internal.task.Task
+import org.greenrobot.eventbus.EventBus
+import javax.inject.Inject
+
+internal abstract class GetTurnServerTask : Task<GetTurnServerTask.Params, TurnServer> {
+    object Params
+}
+
+internal class DefaultGetTurnServerTask @Inject constructor(private val voipAPI: VoipApi,
+                                                             private val eventBus: EventBus) : GetTurnServerTask() {
+
+    override suspend fun execute(params: Params): TurnServer {
+        return executeRequest(eventBus) {
+            apiCall = voipAPI.getTurnServer()
+        }
+    }
+}