diff --git a/cmd/cgrates/cgrates.go b/cmd/cgrates/cgrates.go
new file mode 100644
index 000000000..766ccfbc1
--- /dev/null
+++ b/cmd/cgrates/cgrates.go
@@ -0,0 +1,29 @@
+package main
+
+import (
+	"flag"
+	"github.com/rif/cgrates/timespans"
+	"log"	
+	"net/rpc/jsonrpc"
+	"time"
+)
+
+var (
+	balancer = flag.String("balancer", "127.0.0.1:2001", "balancer address host:port")
+)
+
+
+
+func main(){
+	flag.Parse()
+	t1 := time.Date(2012, time.February, 02, 17, 30, 0, 0, time.UTC)
+	t2 := time.Date(2012, time.February, 02, 18, 30, 0, 0, time.UTC)
+	cd := timespans.CallDescriptor{CstmId: "vdf", Subject: "rif", DestinationPrefix: "0256", TimeStart: t1, TimeEnd: t2}
+	result := timespans.CallCost{}
+	client, _ := jsonrpc.Dial("tcp", "localhost:2001")
+	client.Call("Responder.GetCost", cd, &result)
+	log.Println(result)
+	client.Close()
+	log.Print("done!")
+}
+