diff --git a/vector/src/main/java/im/vector/riotx/features/call/CallControlsView.kt b/vector/src/main/java/im/vector/riotx/features/call/CallControlsView.kt
index 6bd28ae971..e3b9f12f67 100644
--- a/vector/src/main/java/im/vector/riotx/features/call/CallControlsView.kt
+++ b/vector/src/main/java/im/vector/riotx/features/call/CallControlsView.kt
@@ -39,8 +39,10 @@ class CallControlsView @JvmOverloads constructor(
 
     @BindView(R.id.ringingControls)
     lateinit var ringingControls: ViewGroup
+
     @BindView(R.id.iv_icr_accept_call)
     lateinit var ringingControlAccept: ImageView
+
     @BindView(R.id.iv_icr_end_call)
     lateinit var ringingControlDecline: ImageView
 
@@ -96,8 +98,20 @@ class CallControlsView @JvmOverloads constructor(
 
     fun updateForState(state: VectorCallViewState) {
         val callState = state.callState.invoke()
-        muteIcon.setImageResource(if (state.isAudioMuted) R.drawable.ic_microphone_off else R.drawable.ic_microphone_on)
-        videoToggleIcon.setImageResource(if (state.isVideoEnabled) R.drawable.ic_video else R.drawable.ic_video_off)
+        if (state.isAudioMuted) {
+            muteIcon.setImageResource(R.drawable.ic_microphone_off)
+            muteIcon.contentDescription = resources.getString(R.string.a11y_unmute_microphone)
+        } else {
+            muteIcon.setImageResource(R.drawable.ic_microphone_on)
+            muteIcon.contentDescription = resources.getString(R.string.a11y_mute_microphone)
+        }
+        if (state.isVideoEnabled) {
+            videoToggleIcon.setImageResource(R.drawable.ic_video)
+            videoToggleIcon.contentDescription = resources.getString(R.string.a11y_stop_camera)
+        } else {
+            videoToggleIcon.setImageResource(R.drawable.ic_video_off)
+            videoToggleIcon.contentDescription = resources.getString(R.string.a11y_start_camera)
+        }
 
         when (callState) {
             is CallState.Idle,
diff --git a/vector/src/main/res/layout/activity_call.xml b/vector/src/main/res/layout/activity_call.xml
index ee1bafe0cd..39d0bef790 100644
--- a/vector/src/main/res/layout/activity_call.xml
+++ b/vector/src/main/res/layout/activity_call.xml
@@ -53,6 +53,7 @@
         android:layout_width="128dp"
         android:layout_height="128dp"
         android:layout_centerVertical="true"
+        android:contentDescription="@string/avatar"
         android:scaleType="centerCrop"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
diff --git a/vector/src/main/res/layout/view_call_controls.xml b/vector/src/main/res/layout/view_call_controls.xml
index 11622a1397..94757c2c72 100644
--- a/vector/src/main/res/layout/view_call_controls.xml
+++ b/vector/src/main/res/layout/view_call_controls.xml
@@ -13,13 +13,13 @@
         tools:background="@color/password_strength_bar_ok"
         tools:visibility="visible">
 
-        <!-- TODO a11y -->
         <ImageView
             android:id="@+id/iv_icr_accept_call"
             android:layout_width="64dp"
             android:layout_height="64dp"
             android:background="@drawable/oval_positive"
             android:clickable="true"
+            android:contentDescription="@string/call_notification_answer"
             android:focusable="true"
             android:padding="16dp"
             android:src="@drawable/ic_call"
@@ -32,6 +32,7 @@
             android:layout_height="64dp"
             android:background="@drawable/oval_destructive"
             android:clickable="true"
+            android:contentDescription="@string/call_notification_reject"
             android:focusable="true"
             android:padding="16dp"
             android:src="@drawable/ic_call_end"
@@ -63,6 +64,7 @@
             android:layout_height="44dp"
             android:background="@drawable/oval_positive"
             android:clickable="true"
+            android:contentDescription="@string/a11y_open_chat"
             android:focusable="true"
             android:padding="10dp"
             android:src="@drawable/ic_home_bottom_chat"
@@ -81,6 +83,7 @@
             android:src="@drawable/ic_microphone_off"
             android:tint="?attr/riotx_text_primary"
             app:backgroundTint="?attr/riotx_background"
+            tools:contentDescription="@string/a11y_mute_microphone"
             tools:ignore="MissingConstraints"
             tools:src="@drawable/ic_microphone_on" />
 
@@ -90,6 +93,7 @@
             android:layout_height="64dp"
             android:background="@drawable/oval_destructive"
             android:clickable="true"
+            android:contentDescription="@string/call_notification_hangup"
             android:focusable="true"
             android:padding="16dp"
             android:src="@drawable/ic_call_end"
@@ -107,6 +111,7 @@
             android:src="@drawable/ic_call_videocam_off_default"
             android:tint="?attr/riotx_text_primary"
             app:backgroundTint="?attr/riotx_background"
+            tools:contentDescription="@string/a11y_stop_camera"
             tools:ignore="MissingConstraints" />
 
         <ImageView
@@ -115,6 +120,7 @@
             android:layout_height="44dp"
             android:background="@drawable/oval_positive"
             android:clickable="true"
+            android:contentDescription="@string/settings"
             android:focusable="true"
             android:padding="8dp"
             android:src="@drawable/ic_more_vertical"
diff --git a/vector/src/main/res/values/strings.xml b/vector/src/main/res/values/strings.xml
index 57d2a2b63b..f9482fe297 100644
--- a/vector/src/main/res/values/strings.xml
+++ b/vector/src/main/res/values/strings.xml
@@ -2471,5 +2471,10 @@ Not all features in Riot are implemented in RiotX yet. Main missing (and coming
     <string name="identity_server_set_alternative_notice_no_default">Enter the URL of an identity server</string>
     <string name="identity_server_set_alternative_submit">Submit</string>
     <string name="power_level_edit_title">Set role</string>
+    <string name="a11y_open_chat">Open chat</string>
+    <string name="a11y_mute_microphone">Mute the microphone</string>
+    <string name="a11y_unmute_microphone">Unmute the microphone</string>
+    <string name="a11y_stop_camera">Stop the camera</string>
+    <string name="a11y_start_camera">Start the camera</string>
 
 </resources>