diff --git a/data/tariffplans/tutorial/DestinationRates.csv b/data/tariffplans/tutorial/DestinationRates.csv
index 62bd4b736..ef225e687 100644
--- a/data/tariffplans/tutorial/DestinationRates.csv
+++ b/data/tariffplans/tutorial/DestinationRates.csv
@@ -6,5 +6,5 @@ DR_1003_10CNT,DST_1003,RT_10CNT,*up,4,0,
 DR_FS_40CNT,DST_FS,RT_40CNT,*up,4,0,
 DR_FS_10CNT,DST_FS,RT_10CNT,*up,4,0,
 DR_SPECIAL_1002,DST_1002,RT_1CNT,*up,4,0,
-DR_1007_MAXCOST_DISC,DST_1007,RT_1CNT,*up,4,0.62,*disconnect
-DR_1007_MAXCOST_FREE,DST_1007,RT_1CNT,*up,4,0.62,*free
+DR_1007_MAXCOST_DISC,DST_1007,RT_1CNT_PER_SEC,*up,4,0.62,*disconnect
+DR_1007_MAXCOST_FREE,DST_1007,RT_1CNT_PER_SEC,*up,4,0.62,*free
diff --git a/data/tariffplans/tutorial/Rates.csv b/data/tariffplans/tutorial/Rates.csv
index 5f571f24b..0164076c9 100644
--- a/data/tariffplans/tutorial/Rates.csv
+++ b/data/tariffplans/tutorial/Rates.csv
@@ -6,3 +6,4 @@ RT_20CNT,0,0.1,60s,1s,60s
 RT_40CNT,0.8,0.4,60s,30s,0s
 RT_40CNT,0,0.2,60s,10s,60s
 RT_1CNT,0,0.01,60s,60s,0s
+RT_1CNT_PER_SEC,0,0.01,1s,1s,0s
diff --git a/engine/callcost.go b/engine/callcost.go
index 333aa1e3c..19a02bd3b 100644
--- a/engine/callcost.go
+++ b/engine/callcost.go
@@ -18,6 +18,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>
 package engine
 
 import (
+	"encoding/json"
 	"errors"
 	"reflect"
 	"time"
@@ -161,3 +162,8 @@ func (cc *CallCost) GetLongestRounding() (roundingDecimals int, roundingMethod s
 	}
 	return
 }
+
+func (cc *CallCost) AsJSON() string {
+	ccJson, _ := json.Marshal(cc)
+	return string(ccJson)
+}
diff --git a/general_tests/tutorial_local_test.go b/general_tests/tutorial_local_test.go
index 9e02464ce..88ed5f2d5 100644
--- a/general_tests/tutorial_local_test.go
+++ b/general_tests/tutorial_local_test.go
@@ -296,6 +296,67 @@ func TestTutLocalGetCosts(t *testing.T) {
 	} else if cc.Cost != 1.3 {
 		t.Errorf("Calling Responder.GetCost got callcost: %v", cc.Cost)
 	}
+	tStart = time.Date(2014, 8, 4, 13, 0, 0, 0, time.UTC)
+	cd = engine.CallDescriptor{
+		Direction:   "*out",
+		Category:    "call",
+		Tenant:      "cgrates.org",
+		Subject:     "1001",
+		Account:     "1001",
+		Destination: "1007",
+		TimeStart:   tStart,
+		TimeEnd:     tStart.Add(time.Duration(50) * time.Second),
+	}
+	if err := tutLocalRpc.Call("Responder.GetCost", cd, &cc); err != nil {
+		t.Error("Got error on Responder.GetCost: ", err.Error())
+	} else if cc.Cost != 0.5 {
+		t.Errorf("Calling Responder.GetCost got callcost: %s", cc.AsJSON())
+	}
+	cd = engine.CallDescriptor{
+		Direction:   "*out",
+		Category:    "call",
+		Tenant:      "cgrates.org",
+		Subject:     "1001",
+		Account:     "1001",
+		Destination: "1007",
+		TimeStart:   tStart,
+		TimeEnd:     tStart.Add(time.Duration(70) * time.Second),
+	}
+	if err := tutLocalRpc.Call("Responder.GetCost", cd, &cc); err != nil {
+		t.Error("Got error on Responder.GetCost: ", err.Error())
+	} else if cc.Cost != 0.62 {
+		t.Errorf("Calling Responder.GetCost got callcost: %s", cc.AsJSON())
+	}
+	cd = engine.CallDescriptor{
+		Direction:   "*out",
+		Category:    "call",
+		Tenant:      "cgrates.org",
+		Subject:     "1002",
+		Account:     "1002",
+		Destination: "1007",
+		TimeStart:   tStart,
+		TimeEnd:     tStart.Add(time.Duration(50) * time.Second),
+	}
+	if err := tutLocalRpc.Call("Responder.GetCost", cd, &cc); err != nil {
+		t.Error("Got error on Responder.GetCost: ", err.Error())
+	} else if cc.Cost != 0.5 {
+		t.Errorf("Calling Responder.GetCost got callcost: %s", cc.AsJSON())
+	}
+	cd = engine.CallDescriptor{
+		Direction:   "*out",
+		Category:    "call",
+		Tenant:      "cgrates.org",
+		Subject:     "1002",
+		Account:     "1002",
+		Destination: "1007",
+		TimeStart:   tStart,
+		TimeEnd:     tStart.Add(time.Duration(70) * time.Second),
+	}
+	if err := tutLocalRpc.Call("Responder.GetCost", cd, &cc); err != nil {
+		t.Error("Got error on Responder.GetCost: ", err.Error())
+	} else if cc.Cost != 0.62 {
+		t.Errorf("Calling Responder.GetCost got callcost: %s", cc.AsJSON())
+	}
 }
 
 // Check call costs