diff --git a/voip/downloadvoipclient.php b/voip/downloadvoipclient.php
index 89d16d96..fb09f7e0 100644
--- a/voip/downloadvoipclient.php
+++ b/voip/downloadvoipclient.php
@@ -1,4 +1,5 @@
-<?php /**
+<?php 
+/**
  * Download VoIP client on an operator by operator basis
  *
  *
diff --git a/voip/startvoipprocess.php b/voip/startvoipprocess.php
index bc7ff382..dc38a6f3 100644
--- a/voip/startvoipprocess.php
+++ b/voip/startvoipprocess.php
@@ -29,6 +29,11 @@
  * 
  */
 
+if (php_sapi_name() !== "cli")
+{
+  die();
+}
+
 /**
  * Configuration file
  */
diff --git a/voip/voipwatch.php b/voip/voipwatch.php
index e4020b91..6388a0a7 100644
--- a/voip/voipwatch.php
+++ b/voip/voipwatch.php
@@ -30,6 +30,12 @@
  * 
  */
 
+if (php_sapi_name() !== "cli")
+{
+  die();
+}
+
+
 /**
  * VoIP functions
  */