diff --git a/engine/callcost.go b/engine/callcost.go
index 19a02bd3b..238619491 100644
--- a/engine/callcost.go
+++ b/engine/callcost.go
@@ -20,7 +20,6 @@ package engine
 import (
 	"encoding/json"
 	"errors"
-	"reflect"
 	"time"
 
 	"github.com/cgrates/cgrates/utils"
@@ -37,21 +36,7 @@ type CallCost struct {
 
 // Merges the received timespan if they are similar (same activation period, same interval, same minute info.
 func (cc *CallCost) Merge(other *CallCost) {
-	if len(cc.Timespans)-1 < 0 || len(other.Timespans) == 0 {
-		return
-	}
-	ts := cc.Timespans[len(cc.Timespans)-1]
-	otherTs := other.Timespans[0]
-	if reflect.DeepEqual(ts.ratingInfo, otherTs.ratingInfo) &&
-		reflect.DeepEqual(ts.RateInterval, otherTs.RateInterval) {
-		// extend the last timespan with
-		ts.TimeEnd = ts.TimeEnd.Add(otherTs.GetDuration())
-		// add the rest of the timspans
-		cc.Timespans = append(cc.Timespans, other.Timespans[1:]...)
-	} else {
-		// just add all timespans
-		cc.Timespans = append(cc.Timespans, other.Timespans...)
-	}
+	cc.Timespans = append(cc.Timespans, other.Timespans...)
 	cc.Cost += other.Cost
 }
 
diff --git a/engine/callcost_test.go b/engine/callcost_test.go
index 5349b104b..6b3d6701f 100644
--- a/engine/callcost_test.go
+++ b/engine/callcost_test.go
@@ -121,8 +121,8 @@ func TestMultipleInputRightMerge(t *testing.T) {
 		t.Errorf("expected 91 was %v", cc2.Cost)
 	}
 	cc1.Merge(cc2)
-	if len(cc1.Timespans) != 2 || cc1.Timespans[0].GetDuration().Seconds() != 120 {
-		t.Error("wrong resulted timespan: ", len(cc1.Timespans))
+	if len(cc1.Timespans) != 3 || cc1.Timespans[0].GetDuration().Seconds() != 60 {
+		t.Error("wrong resulted timespan: ", len(cc1.Timespans), cc1.Timespans[0].GetDuration().Seconds())
 	}
 	if cc1.Cost != 152 {
 		t.Errorf("Exdpected 152 was %v", cc1.Cost)
diff --git a/sessionmanager/session.go b/sessionmanager/session.go
index 5a378ca3d..e117112e9 100644
--- a/sessionmanager/session.go
+++ b/sessionmanager/session.go
@@ -217,8 +217,11 @@ func (s *Session) SaveOperations() {
 		}
 		firstCC := sr.CallCosts[0]
 		for _, cc := range sr.CallCosts[1:] {
+			engine.Logger.Debug(fmt.Sprintf("BEFORE MERGE: %+v", firstCC))
 			firstCC.Merge(cc)
+			engine.Logger.Debug(fmt.Sprintf("AFTER MERGE: %+v", firstCC))
 		}
+
 		var reply string
 		err := s.sessionManager.CdrSrv().LogCallCost(&engine.CallCostLog{
 			CgrId:          s.eventStart.GetCgrId(),