diff --git a/config.sample.json b/config.sample.json
index 5d35b5b..e52b109 100644
--- a/config.sample.json
+++ b/config.sample.json
@@ -11,6 +11,7 @@
     "sleep_before_unlock_modem_ms": 1200,
     "ignore_prefix": false,
     "number_suffix": "",
+    "send_on_process_msg": false,
 
     "sender": {
         "url": "http://192.168.0.181:59194/service/sendsms",
diff --git a/lib/transport.js b/lib/transport.js
index b9c704a..654695d 100644
--- a/lib/transport.js
+++ b/lib/transport.js
@@ -84,7 +84,7 @@ exports.send = async (partner, msg) => {
     if (typeof partner !== 'string' || !partner.trim()) return;
     if (typeof msg !== 'string' || !msg.trim()) return;
 
-    if (msg.trim().search(/PROSES$/) >= 0) return;
+    if (!config.send_on_process_msg && (msg.trim().search(/PROSES$/) >= 0)) return;
 
     const xid = uniqid();