diff --git a/engine/balances.go b/engine/balances.go
index 214c3cfa8..d51f4e299 100644
--- a/engine/balances.go
+++ b/engine/balances.go
@@ -642,6 +642,7 @@ func (bc BalanceChain) SaveDirtyBalances(acc *Account) {
 			allowNegative := ""
 			disabled := ""
 			if b.account != nil { // only publish modifications for balances with account set
+				//utils.LogStack()
 				accountId = b.account.Id
 				allowNegative = strconv.FormatBool(b.account.AllowNegative)
 				disabled = strconv.FormatBool(b.account.Disabled)
diff --git a/engine/callcost.go b/engine/callcost.go
index 238619491..c692fe963 100644
--- a/engine/callcost.go
+++ b/engine/callcost.go
@@ -152,3 +152,15 @@ func (cc *CallCost) AsJSON() string {
 	ccJson, _ := json.Marshal(cc)
 	return string(ccJson)
 }
+
+func (cc *CallCost) UpdateCost() {
+	cost := 0.0
+	if cc.deductConnectFee { // add back the connectFee
+		cost += cc.GetConnectFee()
+	}
+	for _, ts := range cc.Timespans {
+		cost += ts.getCost()
+		cost = utils.Round(cost, globalRoundingDecimals, utils.ROUNDING_MIDDLE) // just get rid of the extra decimals
+	}
+	cc.Cost = cost
+}
diff --git a/engine/calldesc.go b/engine/calldesc.go
index f6af50f7e..4b93208cc 100644
--- a/engine/calldesc.go
+++ b/engine/calldesc.go
@@ -83,7 +83,7 @@ var (
 
 // Exported method to set the storage getter.
 func SetRatingStorage(sg RatingStorage) {
-	ratingStorage = sg
+	   ratingStorage = sg
 }
 
 func SetAccountingStorage(ag AccountingStorage) {
@@ -636,16 +636,7 @@ func (cd *CallDescriptor) debit(account *Account, dryRun bool, goNegative bool)
 		utils.Logger.Err(fmt.Sprintf("<Rater> Error getting cost for account key <%s>: %s", cd.GetAccountKey(), err.Error()))
 		return nil, err
 	}
-	cost := 0.0
-	// calculate call cost after balances
-	if cc.deductConnectFee { // add back the connectFee
-		cost += cc.GetConnectFee()
-	}
-	for _, ts := range cc.Timespans {
-		cost += ts.getCost()
-		cost = utils.Round(cost, globalRoundingDecimals, utils.ROUNDING_MIDDLE) // just get rid of the extra decimals
-	}
-	cc.Cost = cost
+	cc.UpdateCost()
 	cc.Timespans.Compress()
 	//log.Printf("OUT CC: ", cc)
 	return
diff --git a/engine/calldesc_test.go b/engine/calldesc_test.go
index 21827f091..6e31a701e 100644
--- a/engine/calldesc_test.go
+++ b/engine/calldesc_test.go
@@ -557,6 +557,28 @@ func TestGetCostWithMaxCost(t *testing.T) {
 		t.Errorf("Expected %v was %v", expected, cc.Cost)
 	}
 }
+func TestGetCostRoundingIssue(t *testing.T) {
+	ap, _ := ratingStorage.GetActionPlans("TOPUP10_AT")
+	for _, at := range ap {
+		at.Execute()
+	}
+	cd := &CallDescriptor{
+		Direction:    "*out",
+		Category:     "call",
+		Tenant:       "cgrates.org",
+		Subject:      "dy",
+		Account:      "dy",
+		Destination:  "0723123113",
+		TimeStart:    time.Date(2015, 10, 26, 13, 29, 27, 0, time.UTC),
+		TimeEnd:      time.Date(2015, 10, 26, 13, 29, 51, 0, time.UTC),
+		MaxCostSoFar: 0,
+	}
+	cc, err := cd.GetCost()
+	expected := 0.17
+	if cc.Cost != expected || err != nil {
+		t.Errorf("Expected %v was %+v", expected, cc)
+	}
+}
 
 func TestMaxSessionTimeWithMaxCostFree(t *testing.T) {
 	ap, _ := ratingStorage.GetActionPlans("TOPUP10_AT")
diff --git a/engine/loader_csv_test.go b/engine/loader_csv_test.go
index 9d4fe2b1c..8ff6e154d 100644
--- a/engine/loader_csv_test.go
+++ b/engine/loader_csv_test.go
@@ -70,6 +70,7 @@ RT_UK_Mobile_BIG5_PKG,0.01,0,20s,20s,0s
 RT_UK_Mobile_BIG5,0.01,0.10,1s,1s,0s
 R_URG,0,0,1,1,0
 MX,0,1,1s,1s,0
+DY,0.15,0.05,60s,1s,0s
 `
 	destinationRates = `
 RT_STANDARD,GERMANY,R1,*middle,4,0,
@@ -91,6 +92,7 @@ DATA_RATE,*any,LANDLINE_OFFPEAK,*middle,4,0,
 RT_URG,URG,R_URG,*middle,4,0,
 MX_FREE,RET,MX,*middle,4,10,*free
 MX_DISC,RET,MX,*middle,4,10,*disconnect
+RT_DY,RET,DY,*up,2,0,
 `
 	ratingPlans = `
 STANDARD,RT_STANDARD,WORKDAYS_00,10
@@ -115,6 +117,7 @@ RP_MX,MX_DISC,WORKDAYS_00,10
 RP_MX,MX_FREE,WORKDAYS_18,10
 GER_ONLY,GER,*any,10
 ANY_PLAN,DATA_RATE,*any,10
+DY_PLAN,RT_DY,*any,10
 `
 	ratingProfiles = `
 *out,CUSTOMER_1,0,rif:from:tm,2012-01-01T00:00:00Z,PREMIUM,danb,
@@ -141,6 +144,7 @@ ANY_PLAN,DATA_RATE,*any,10
 *out,cgrates.org,call,nt,2012-02-28T00:00:00Z,GER_ONLY,,
 *in,cgrates.org,LCR_STANDARD,max,2013-03-23T00:00:00Z,RP_MX,,
 *out,cgrates.org,call,money,2015-02-28T00:00:00Z,EVENING,,
+*out,cgrates.org,call,dy,2015-02-28T00:00:00Z,DY_PLAN,,
 `
 	sharedGroups = `
 SG1,*any,*lowest,
@@ -391,7 +395,7 @@ func TestLoadTimimgs(t *testing.T) {
 }
 
 func TestLoadRates(t *testing.T) {
-	if len(csvr.rates) != 13 {
+	if len(csvr.rates) != 14 {
 		t.Error("Failed to load rates: ", len(csvr.rates))
 	}
 	rate := csvr.rates["R1"].RateSlots[0]
@@ -461,7 +465,7 @@ func TestLoadRates(t *testing.T) {
 }
 
 func TestLoadDestinationRates(t *testing.T) {
-	if len(csvr.destinationRates) != 14 {
+	if len(csvr.destinationRates) != 15 {
 		t.Error("Failed to load destinationrates: ", len(csvr.destinationRates))
 	}
 	drs := csvr.destinationRates["RT_STANDARD"]
@@ -609,7 +613,7 @@ func TestLoadDestinationRates(t *testing.T) {
 }
 
 func TestLoadRatingPlans(t *testing.T) {
-	if len(csvr.ratingPlans) != 13 {
+	if len(csvr.ratingPlans) != 14 {
 		t.Error("Failed to load rating plans: ", len(csvr.ratingPlans))
 	}
 	rplan := csvr.ratingPlans["STANDARD"]
@@ -781,7 +785,7 @@ func TestLoadRatingPlans(t *testing.T) {
 }
 
 func TestLoadRatingProfiles(t *testing.T) {
-	if len(csvr.ratingProfiles) != 21 {
+	if len(csvr.ratingProfiles) != 22 {
 		t.Error("Failed to load rating profiles: ", len(csvr.ratingProfiles), csvr.ratingProfiles)
 	}
 	rp := csvr.ratingProfiles["*out:test:0:trp"]
diff --git a/engine/timespans.go b/engine/timespans.go
index a497ab4ef..24df295d7 100644
--- a/engine/timespans.go
+++ b/engine/timespans.go
@@ -263,11 +263,7 @@ func (ts *TimeSpan) getCost() float64 {
 		ts.Cost = utils.Round(cost, ts.RateInterval.Rating.RoundingDecimals, ts.RateInterval.Rating.RoundingMethod)
 		return ts.Cost
 	} else {
-		cost := 0.0
-		// some increments may have 0 cost because of the max  cost strategy
-		for _, inc := range ts.Increments {
-			cost += inc.Cost
-		}
+		cost := ts.Increments.GetTotalCost()
 		if ts.RateInterval != nil && ts.RateInterval.Rating != nil {
 			return utils.Round(cost, ts.RateInterval.Rating.RoundingDecimals, ts.RateInterval.Rating.RoundingMethod)
 		} else {
diff --git a/sessionmanager/session.go b/sessionmanager/session.go
index 813058f65..faa5c9b7d 100644
--- a/sessionmanager/session.go
+++ b/sessionmanager/session.go
@@ -233,6 +233,8 @@ func (s *Session) SaveOperations() {
 			firstCC.Merge(cc)
 			//utils.Logger.Debug(fmt.Sprintf("AFTER MERGE: %s", utils.ToJSON(firstCC)))
 		}
+		// make sure we have rounded timespans final cost
+		firstCC.UpdateCost()
 
 		var reply string
 		err := s.sessionManager.CdrSrv().LogCallCost(&engine.CallCostLog{
diff --git a/utils/logger.go b/utils/logger.go
index d5300b93b..cabbe068b 100644
--- a/utils/logger.go
+++ b/utils/logger.go
@@ -22,6 +22,7 @@ import (
 	"fmt"
 	"log"
 	"log/syslog"
+	"runtime"
 )
 
 var Logger LoggerInterface
@@ -85,3 +86,9 @@ func (sl *StdLogger) Warning(m string) (err error) {
 	log.Print("[WARNING]" + m)
 	return
 }
+
+func LogStack() {
+	buf := make([]byte, 300)
+	runtime.Stack(buf, false)
+	Logger.Debug(string(buf))
+}