diff --git a/src/main/java/com/sipgate/li/lib/x2x3/protocol/PduObject.java b/src/main/java/com/sipgate/li/lib/x2x3/protocol/PduObject.java
index 52ae94e..5d0b21c 100644
--- a/src/main/java/com/sipgate/li/lib/x2x3/protocol/PduObject.java
+++ b/src/main/java/com/sipgate/li/lib/x2x3/protocol/PduObject.java
@@ -102,7 +102,15 @@ public String debugToString() {
         sb.append("???)");
       }
     }
-    sb.append(" payload:0x");
+    sb.append(" payload:");
+    if (PduType.X2_PDU.equals(pduType)) {
+      final var begin = new String(payload, 0, Math.min(20, payload.length));
+      sb.append("(").append(begin).append("...)");
+      for (final var b : payload) {
+        sb.append(String.format("%02x", b));
+      }
+    }
+    sb.append("0x");
     for (final var b : payload) {
       sb.append(String.format("%02x", b));
     }