--- /dev/null
+<?php
+namespace callnotifier;
+
+/**
+ * Watches EDSS1 messages for calls. Keeps an internal call state
+ * and notifies loggers of incoming and finished calls.
+ */
+class CallMonitor
+{
+ public function __construct($config, $log)
+ {
+ $this->config = $config;
+ $this->log = $log;
+ }
+
+ public function handle(EDSS1_Message $msg)
+ {
+ }
+
+}
+
+?>