1 files changed, 4 insertions, 0 deletions
diff --git a/BSSMAP.st b/BSSMAP.st
index fa55c8c..43bb14a 100644
--- a/BSSMAP.st
+++ b/BSSMAP.st
@@ -1,6 +1,10 @@
 IEBase subclass: GSM0808IE [
     <category: 'osmo-message'>
     <comment: 'Base class of IEs for GSM0808'>
+
+    GSM0808IE class >> length: aByteArray [
+        ^ (aByteArray at: 2).
+    ]
 ]
 
 Object subclass: GSM0808Helper [