diff --git a/lib/pling/mobilant/gateway.rb b/lib/pling/mobilant/gateway.rb
index 6fdb5b1..2161bcf 100644
--- a/lib/pling/mobilant/gateway.rb
+++ b/lib/pling/mobilant/gateway.rb
@@ -67,6 +67,10 @@ def debug
           configuration[:debug] ? 1 : nil
         end
 
+        def concat
+          configuration[:concat] ? 1 : nil
+        end
+
         def source
           return nil unless configuration[:source]
           configuration[:source].to_s.strip