diff --git a/src/main/java/im/rosetta/packet/runtime/AttachmentType.java b/src/main/java/im/rosetta/packet/runtime/AttachmentType.java
index 7a397c9..e05a8a0 100644
--- a/src/main/java/im/rosetta/packet/runtime/AttachmentType.java
+++ b/src/main/java/im/rosetta/packet/runtime/AttachmentType.java
@@ -7,7 +7,8 @@ public enum AttachmentType {
     IMAGE(0),
     MESSAGES(1),
     FILE(2),
-    AVATAR(3);
+    AVATAR(3),
+    CALL(4);
 
 
     private final int code;