diff --git a/app/src/main/java/com/nextcloud/talk/adapters/items/ParticipantItem.kt b/app/src/main/java/com/nextcloud/talk/adapters/items/ParticipantItem.kt
index 0d7d53083..95c0150f8 100644
--- a/app/src/main/java/com/nextcloud/talk/adapters/items/ParticipantItem.kt
+++ b/app/src/main/java/com/nextcloud/talk/adapters/items/ParticipantItem.kt
@@ -25,6 +25,7 @@ import com.nextcloud.talk.extensions.loadDefaultAvatar
 import com.nextcloud.talk.extensions.loadDefaultGroupCallAvatar
 import com.nextcloud.talk.extensions.loadFederatedUserAvatar
 import com.nextcloud.talk.extensions.loadFirstLetterAvatar
+import com.nextcloud.talk.extensions.loadPhoneAvatar
 import com.nextcloud.talk.extensions.loadTeamAvatar
 import com.nextcloud.talk.extensions.loadUserAvatar
 import com.nextcloud.talk.models.domain.ConversationModel
@@ -242,6 +243,10 @@ class ParticipantItem(
                 )
             }
 
+            Participant.ActorType.PHONES -> {
+                holder.binding.avatarView.loadPhoneAvatar(viewThemeUtils)
+            }
+
             else -> {
                 Log.w(TAG, "Avatar not shown because of unknown ActorType " + model.calculatedActorType)
             }
diff --git a/app/src/main/java/com/nextcloud/talk/chat/data/model/ChatMessage.kt b/app/src/main/java/com/nextcloud/talk/chat/data/model/ChatMessage.kt
index 3be97d912..151f02551 100644
--- a/app/src/main/java/com/nextcloud/talk/chat/data/model/ChatMessage.kt
+++ b/app/src/main/java/com/nextcloud/talk/chat/data/model/ChatMessage.kt
@@ -422,7 +422,8 @@ data class ChatMessage(
         AVATAR_SET,
         AVATAR_REMOVED,
         FEDERATED_USER_ADDED,
-        FEDERATED_USER_REMOVED
+        FEDERATED_USER_REMOVED,
+        PHONE_ADDED
     }
 
     companion object {
diff --git a/app/src/main/java/com/nextcloud/talk/extensions/ImageViewExtensions.kt b/app/src/main/java/com/nextcloud/talk/extensions/ImageViewExtensions.kt
index ae058621e..3b18c225a 100644
--- a/app/src/main/java/com/nextcloud/talk/extensions/ImageViewExtensions.kt
+++ b/app/src/main/java/com/nextcloud/talk/extensions/ImageViewExtensions.kt
@@ -206,6 +206,11 @@ fun ImageView.loadAvatarWithUrl(user: User? = null, url: String): io.reactivex.d
     return loadAvatarInternal(user, url, false, null)
 }
 
+fun ImageView.loadPhoneAvatar(viewThemeUtils: ViewThemeUtils): io.reactivex.disposables.Disposable {
+    val drawable = viewThemeUtils.talk.themePlaceholderAvatar(this, R.drawable.ic_phone)
+    return loadUserAvatar(drawable)
+}
+
 fun ImageView.loadThumbnail(url: String, user: User): io.reactivex.disposables.Disposable {
     val requestBuilder = ImageRequest.Builder(context)
         .data(url)
diff --git a/app/src/main/java/com/nextcloud/talk/models/json/converters/EnumActorTypeConverter.kt b/app/src/main/java/com/nextcloud/talk/models/json/converters/EnumActorTypeConverter.kt
index 1cb703a56..a8b70ddc4 100644
--- a/app/src/main/java/com/nextcloud/talk/models/json/converters/EnumActorTypeConverter.kt
+++ b/app/src/main/java/com/nextcloud/talk/models/json/converters/EnumActorTypeConverter.kt
@@ -16,6 +16,7 @@ import com.nextcloud.talk.models.json.participants.Participant.ActorType.FEDERAT
 import com.nextcloud.talk.models.json.participants.Participant.ActorType.GROUPS
 import com.nextcloud.talk.models.json.participants.Participant.ActorType.GUESTS
 import com.nextcloud.talk.models.json.participants.Participant.ActorType.USERS
+import com.nextcloud.talk.models.json.participants.Participant.ActorType.PHONES
 
 class EnumActorTypeConverter : StringBasedTypeConverter<Participant.ActorType>() {
     override fun getFromString(string: String?): Participant.ActorType {
@@ -26,6 +27,7 @@ class EnumActorTypeConverter : StringBasedTypeConverter<Participant.ActorType>()
             "users" -> USERS
             "circles" -> CIRCLES
             "federated_users" -> FEDERATED
+            "phones" -> PHONES
             else -> DUMMY
         }
     }
@@ -42,6 +44,7 @@ class EnumActorTypeConverter : StringBasedTypeConverter<Participant.ActorType>()
             USERS -> "users"
             CIRCLES -> "circles"
             FEDERATED -> "federated_users"
+            PHONES -> "phones"
             else -> ""
         }
     }
diff --git a/app/src/main/java/com/nextcloud/talk/models/json/converters/EnumSystemMessageTypeConverter.kt b/app/src/main/java/com/nextcloud/talk/models/json/converters/EnumSystemMessageTypeConverter.kt
index 9613c8f82..7aa081aa1 100644
--- a/app/src/main/java/com/nextcloud/talk/models/json/converters/EnumSystemMessageTypeConverter.kt
+++ b/app/src/main/java/com/nextcloud/talk/models/json/converters/EnumSystemMessageTypeConverter.kt
@@ -71,6 +71,7 @@ import com.nextcloud.talk.chat.data.model.ChatMessage.SystemMessageType.RECORDIN
 import com.nextcloud.talk.chat.data.model.ChatMessage.SystemMessageType.RECORDING_STOPPED
 import com.nextcloud.talk.chat.data.model.ChatMessage.SystemMessageType.USER_ADDED
 import com.nextcloud.talk.chat.data.model.ChatMessage.SystemMessageType.USER_REMOVED
+import com.nextcloud.talk.chat.data.model.ChatMessage.SystemMessageType.PHONE_ADDED
 
 /*
 * see https://nextcloud-talk.readthedocs.io/en/latest/chat/#system-messages
@@ -141,6 +142,7 @@ class EnumSystemMessageTypeConverter : StringBasedTypeConverter<ChatMessage.Syst
             "avatar_removed" -> AVATAR_REMOVED
             "federated_user_added" -> FEDERATED_USER_ADDED
             "federated_user_removed" -> FEDERATED_USER_REMOVED
+            "phone_added" -> PHONE_ADDED
             else -> DUMMY
         }
     }
@@ -210,6 +212,7 @@ class EnumSystemMessageTypeConverter : StringBasedTypeConverter<ChatMessage.Syst
             AVATAR_REMOVED -> "avatar_removed"
             FEDERATED_USER_ADDED -> "federated_user_added"
             FEDERATED_USER_REMOVED -> "federated_user_removed"
+            PHONE_ADDED -> "phone_added"
             else -> ""
         }
     }
diff --git a/app/src/main/java/com/nextcloud/talk/models/json/participants/Participant.kt b/app/src/main/java/com/nextcloud/talk/models/json/participants/Participant.kt
index ae8b374c9..0583c47fe 100644
--- a/app/src/main/java/com/nextcloud/talk/models/json/participants/Participant.kt
+++ b/app/src/main/java/com/nextcloud/talk/models/json/participants/Participant.kt
@@ -117,7 +117,8 @@ data class Participant(
         GUESTS,
         USERS,
         CIRCLES,
-        FEDERATED
+        FEDERATED,
+        PHONES
     }
 
     enum class ParticipantType {