diff --git a/app/src/main/java/com/nextcloud/talk/adapters/items/MentionAutocompleteItem.kt b/app/src/main/java/com/nextcloud/talk/adapters/items/MentionAutocompleteItem.kt
index e0a0e21e5..eebbffe6a 100644
--- a/app/src/main/java/com/nextcloud/talk/adapters/items/MentionAutocompleteItem.kt
+++ b/app/src/main/java/com/nextcloud/talk/adapters/items/MentionAutocompleteItem.kt
@@ -129,14 +129,22 @@ class MentionAutocompleteItem(
     private fun setAvatar(holder: ParticipantItemViewHolder, objectId: String?) {
         when (source) {
             SOURCE_CALLS -> {
-                run {}
                 run {
-                    holder.binding.avatarView.loadUserAvatar(
-                        viewThemeUtils.talk.themePlaceholderAvatar(
-                            holder.binding.avatarView,
-                            R.drawable.ic_phone
+                    if (isPhoneNumber(displayName)) {
+                        holder.binding.avatarView.loadUserAvatar(
+                            viewThemeUtils.talk.themePlaceholderAvatar(
+                                holder.binding.avatarView,
+                                R.drawable.ic_phone
+                            )
                         )
-                    )
+                    } else {
+                        holder.binding.avatarView.loadUserAvatar(
+                            viewThemeUtils.talk.themePlaceholderAvatar(
+                                holder.binding.avatarView,
+                                R.drawable.ic_avatar_group
+                            )
+                        )
+                    }
                 }
             }
 
@@ -194,6 +202,10 @@ class MentionAutocompleteItem(
         }
     }
 
+    fun isPhoneNumber(input: String?): Boolean {
+        return input?.matches(Regex("^\\+?\\d+$")) == true
+    }
+
     private fun drawStatus(holder: ParticipantItemViewHolder) {
         val size = DisplayUtils.convertDpToPixel(STATUS_SIZE_IN_DP, context)
         holder.binding.userStatusImage.setImageDrawable(
diff --git a/app/src/main/java/com/nextcloud/talk/utils/DisplayUtils.kt b/app/src/main/java/com/nextcloud/talk/utils/DisplayUtils.kt
index b5ff81623..89e732914 100644
--- a/app/src/main/java/com/nextcloud/talk/utils/DisplayUtils.kt
+++ b/app/src/main/java/com/nextcloud/talk/utils/DisplayUtils.kt
@@ -164,7 +164,7 @@ object DisplayUtils {
         val drawable: Int
         val isCall = "call" == type || "calls" == type
         val isGroup = "groups" == type || "user-group" == type
-        if (!isGroup) {
+        if (!isGroup && !isCall) {
             drawable = if (chipResource == R.xml.chip_you) {
                 R.drawable.mention_chip
             } else {
@@ -178,7 +178,7 @@ object DisplayUtils {
             chip.setChipIconResource(R.drawable.icon_team)
         }
 
-        if (isCall) {
+        if (isCall && isPhoneNumber(label.toString())) {
             chip.setChipIconResource(R.drawable.icon_circular_phone)
         }
         chip.setBounds(0, 0, chip.intrinsicWidth, chip.intrinsicHeight)
@@ -536,4 +536,8 @@ object DisplayUtils {
             text
         }
     }
+
+    fun isPhoneNumber(input: String?): Boolean {
+        return input?.matches(Regex("^\\+?\\d+$")) == true
+    }
 }