diff --git a/src/danog/MadelineProto/VoIP/AuthKeyHandler.php b/src/danog/MadelineProto/VoIP/AuthKeyHandler.php
index 8d3a9530..a58181cf 100644
--- a/src/danog/MadelineProto/VoIP/AuthKeyHandler.php
+++ b/src/danog/MadelineProto/VoIP/AuthKeyHandler.php
@@ -111,11 +111,8 @@ trait AuthKeyHandler
                 ($time - microtime(true)) // Time it took me to write frames
                 ) * 1000000
             );
-            var_dump(($writePeriod -
-                ($time - microtime(true)) // Time it took me to write frames
-                ) * 1000000);
             $time = microtime(true);
-            $this->calls[$params['id']]['controller']->writeFrames(stream_get_contents($f, 960));
+            $this->calls[$params['id']]['controller']->writeFrames(stream_get_contents($f, 960*2));
         }
 
         $this->handle_pending_updates();