*

event.go

@@ -96,8 +96,10 @@ func (_ HangupEvent) HandleOutgoing(app *App) error {
 	app.conn.stop()
 	app.conn.Write([]byte("QUIT\n"))
 	app.conn.Close()
-	app.conn.ticker.Stop()
-	app.conn.ticker = nil
+	if app.conn.ticker != nil {
+		app.conn.ticker.Stop()
+		app.conn.ticker = nil
+	}
 	app.conn = nil
 	app.incoming <- HangupEvent{host, port}