diff --git a/contrib/realtime/mysql/voicemail_data.sql b/contrib/realtime/mysql/voicemail_data.sql
index 743bd44925..3e25f6e74a 100644
--- a/contrib/realtime/mysql/voicemail_data.sql
+++ b/contrib/realtime/mysql/voicemail_data.sql
@@ -23,7 +23,9 @@ CREATE TABLE voicemail_data (
 	-- Value of the channel variable VM_CATEGORY, if set
 	category CHAR(30),
 	-- Length of the message, in seconds
-	duration INT(11)
+	duration INT(11),
+	-- Unique identifier for the message
+	msg_id CHAR(32)
 );