1 files changed, 10 insertions, 4 deletions
diff --git a/src/callnotifier/MessageHandler.php b/src/callnotifier/MessageHandler.php
index 6181e3a..9e65b81 100644
--- a/src/callnotifier/MessageHandler.php
+++ b/src/callnotifier/MessageHandler.php
@@ -103,10 +103,7 @@ class MessageHandler
         }
         
         $bytestring = substr($details, 5);
-        $bytes = '';
-        foreach (explode(' ', $bytestring) as $strbyte) {
-            $bytes .= chr(hexdec($strbyte));
-        }
+        $bytes = static::getBytesFromHexString($bytestring);
 
         $msgtype = $bytes{7};
         static $interestingTyps = array(
@@ -137,6 +134,15 @@ class MessageHandler
         }
     }
 
+    public static function getBytesFromHexString($bytestring)
+    {
+        $bytes = '';
+        foreach (explode(' ', $bytestring) as $strbyte) {
+            $bytes .= chr(hexdec($strbyte));
+        }
+        return $bytes;
+    }
+
     protected function prepareDump()
     {
         if ($this->config->dumpFile === null) {