diff --git a/ers/ers_reload_it_test.go b/ers/ers_reload_it_test.go
index 8bfce67c6..f24281f07 100644
--- a/ers/ers_reload_it_test.go
+++ b/ers/ers_reload_it_test.go
@@ -20,6 +20,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>
 package ers
 
 import (
+	"errors"
+	"flag"
 	"net/rpc"
 	"net/rpc/jsonrpc"
 	"os"
@@ -47,8 +49,20 @@ var (
 		testReloadVerifyFirstReload,
 		testReloadITKillEngine,
 	}
+	encoding = flag.String("rpc", utils.MetaJSON, "what encoding whould be uused for rpc comunication")
 )
 
+func newRPCClient(cfg *config.ListenCfg) (c *rpc.Client, err error) {
+	switch *encoding {
+	case utils.MetaJSON:
+		return jsonrpc.Dial(utils.TCP, cfg.RPCJSONListen)
+	case utils.MetaGOB:
+		return rpc.Dial(utils.TCP, cfg.RPCGOBListen)
+	default:
+		return nil, errors.New("UNSUPPORTED_RPC")
+	}
+}
+
 func TestERsReload(t *testing.T) {
 	reloadCfgPath = path.Join(*dataDir, "conf", "samples", "ers_reload", "disabled")
 	for _, test := range reloadTests {
@@ -98,7 +112,7 @@ func testReloadITStartEngine(t *testing.T) {
 // Connect rpc client to rater
 func testReloadITRpcConn(t *testing.T) {
 	var err error
-	reloadRPC, err = jsonrpc.Dial("tcp", reloadCfg.ListenCfg().RPCJSONListen) // We connect over JSON so we can also troubleshoot if needed
+	reloadRPC, err = newRPCClient(reloadCfg.ListenCfg()) // We connect over JSON so we can also troubleshoot if needed
 	if err != nil {
 		t.Fatal("Could not connect to rater: ", err.Error())
 	}
diff --git a/ers/filecsv_it_test.go b/ers/filecsv_it_test.go
index dffda8b5e..c57787533 100644
--- a/ers/filecsv_it_test.go
+++ b/ers/filecsv_it_test.go
@@ -23,7 +23,6 @@ import (
 	"flag"
 	"io/ioutil"
 	"net/rpc"
-	"net/rpc/jsonrpc"
 	"os"
 	"path"
 	"testing"
@@ -132,7 +131,7 @@ func testCsvITStartEngine(t *testing.T) {
 // Connect rpc client to rater
 func testCsvITRpcConn(t *testing.T) {
 	var err error
-	csvRPC, err = jsonrpc.Dial("tcp", csvCfg.ListenCfg().RPCJSONListen) // We connect over JSON so we can also troubleshoot if needed
+	csvRPC, err = newRPCClient(csvCfg.ListenCfg()) // We connect over JSON so we can also troubleshoot if needed
 	if err != nil {
 		t.Fatal("Could not connect to rater: ", err.Error())
 	}
@@ -219,7 +218,7 @@ func testCsvITTerminateSession(t *testing.T) {
 	}
 	time.Sleep(100 * time.Millisecond)
 	aSessions := make([]*sessions.ExternalSession, 0)
-	if err := csvRPC.Call(utils.SessionSv1GetActiveSessions, nil, &aSessions); err == nil ||
+	if err := csvRPC.Call(utils.SessionSv1GetActiveSessions, new(utils.SessionFilter), &aSessions); err == nil ||
 		err.Error() != utils.ErrNotFound.Error() {
 		t.Error(err)
 	}
@@ -240,8 +239,12 @@ func testCsvITAnalyseCDRs(t *testing.T) {
 	time.Sleep(500 * time.Millisecond)
 
 	var cdrs []*engine.CDR
-	args := utils.RPCCDRsFilter{RunIDs: []string{"CustomerCharges"},
-		OriginIDs: []string{"SessionFromCsv"}}
+	args := &utils.RPCCDRsFilterWithArgDispatcher{
+		RPCCDRsFilter: &utils.RPCCDRsFilter{
+			RunIDs:    []string{"CustomerCharges"},
+			OriginIDs: []string{"SessionFromCsv"},
+		},
+	}
 	if err := csvRPC.Call(utils.CDRsV1GetCDRs, args, &cdrs); err != nil {
 		t.Error("Unexpected error: ", err.Error())
 	} else if len(cdrs) != 1 {
@@ -251,7 +254,7 @@ func testCsvITAnalyseCDRs(t *testing.T) {
 			t.Errorf("Unexpected cost for CDR: %f", cdrs[0].Cost)
 		}
 	}
-	args = utils.RPCCDRsFilter{RunIDs: []string{"SupplierCharges"},
+	args.RPCCDRsFilter = &utils.RPCCDRsFilter{RunIDs: []string{"SupplierCharges"},
 		OriginIDs: []string{"SessionFromCsv"}}
 	if err := csvRPC.Call(utils.CDRsV1GetCDRs, args, &cdrs); err != nil {
 		t.Error("Unexpected error: ", err.Error())
@@ -288,8 +291,12 @@ func testCsvITAnalyzeFilteredCDR(t *testing.T) {
 	time.Sleep(500 * time.Millisecond)
 
 	var cdrs []*engine.CDR
-	args := utils.RPCCDRsFilter{NotRunIDs: []string{"CustomerCharges", "SupplierCharges"},
-		Sources: []string{"ers_csv"}}
+	args := &utils.RPCCDRsFilterWithArgDispatcher{
+		RPCCDRsFilter: &utils.RPCCDRsFilter{
+			NotRunIDs: []string{"CustomerCharges", "SupplierCharges"},
+			Sources:   []string{"ers_csv"},
+		},
+	}
 	if err := csvRPC.Call(utils.CDRsV1GetCDRs, args, &cdrs); err != nil {
 		t.Error("Unexpected error: ", err.Error())
 	} else if len(cdrs) != 2 {
diff --git a/gob_integration_test.sh b/gob_integration_test.sh
index ec063b7b2..01762c164 100755
--- a/gob_integration_test.sh
+++ b/gob_integration_test.sh
@@ -14,15 +14,9 @@ en=$?
 echo 'go test github.com/cgrates/cgrates/cdrc -tags=integration -rpc=*gob'
 go test github.com/cgrates/cgrates/cdrc -tags=integration -rpc=*gob
 cdrc=$?
-# echo 'go test github.com/cgrates/cgrates/ers -tags=integration'
-# go test github.com/cgrates/cgrates/ers -tags=integration
-# ers=$?
-# echo 'go test github.com/cgrates/cgrates/config -tags=integration'
-# go test github.com/cgrates/cgrates/config -tags=integration
-# cfg=$?
-# echo 'go test github.com/cgrates/cgrates/utils -tags=integration'
-# go test github.com/cgrates/cgrates/utils -tags=integration
-# utl=$?
+echo 'go test github.com/cgrates/cgrates/ers -tags=integration -rpc=*gob'
+go test github.com/cgrates/cgrates/ers -tags=integration -rpc=*gob
+ers=$?
 # echo 'go test github.com/cgrates/cgrates/general_tests -tags=integration'
 # go test github.com/cgrates/cgrates/general_tests -tags=integration
 # gnr=$?
@@ -32,20 +26,11 @@ cdrc=$?
 # echo 'go test github.com/cgrates/cgrates/sessions -tags=integration'
 # go test github.com/cgrates/cgrates/sessions -tags=integration
 # smg=$?
-# echo 'go test github.com/cgrates/cgrates/migrator -tags=integration'
-# go test github.com/cgrates/cgrates/migrator -tags=integration
-# mgr=$?
 # echo 'go test github.com/cgrates/cgrates/dispatchers -tags=integration'
 # go test github.com/cgrates/cgrates/dispatchers -tags=integration
 # dis=$?
 # echo 'go test github.com/cgrates/cgrates/loaders -tags=integration'
 # go test github.com/cgrates/cgrates/loaders -tags=integration
 # lds=$?
-# echo 'go test github.com/cgrates/cgrates/services -tags=integration'
-# go test github.com/cgrates/cgrates/services -tags=integration
-# srv=$?
-# echo 'go test github.com/cgrates/cgrates/apier/v1 -tags=offline'
-# go test github.com/cgrates/cgrates/apier/v1 -tags=offline
-# offline=$?
 
-exit $gen && $ap1 && $ap2 && $en && $cdrc #&& $cfg && $utl && $gnr && $agts && $smg && $mgr && $dis && $lds && $ers && $srv && $offline
+exit $gen && $ap1 && $ap2 && $en && $cdrc #&& $gnr && $agts && $smg && $dis && $lds && $ers