diff --git a/Device.go b/Device.go
index 5418585..e9ed85f 100644
--- a/Device.go
+++ b/Device.go
@@ -12,6 +12,13 @@ import (
 	"crypto/sha1"
 	"github.com/elgs/gostrgen"
 	"github.com/yakovlevdmv/gosoap"
+	"reflect"
+	"strings"
+	"github.com/yakovlevdmv/goonvif/Device"
+	"github.com/yakovlevdmv/goonvif/Imaging"
+	"github.com/yakovlevdmv/goonvif/Media"
+	"github.com/yakovlevdmv/goonvif/PTZ"
+	"errors"
 )
 
 type DeviceInfo struct {
@@ -45,7 +52,7 @@ func (dev *device) AddAuthentification(username, password string) {
 	dev.password = password
 }
 
-func buildMethodSOAP(msg string) (gosoap.SoapMessage, error) {
+func buildMethodSOAP(msg, space string) (gosoap.SoapMessage, error) {
 	doc := etree.NewDocument()
 	if err := doc.ReadFromString(msg); err != nil {
 		log.Println("Got error")
@@ -56,11 +63,30 @@ func buildMethodSOAP(msg string) (gosoap.SoapMessage, error) {
 
 	soap := gosoap.NewEmptySOAP()
 	soap.AddBodyContent(element)
-	soap.AddRootNamespace("wsdl", "http://www.onvif.org/ver10/device/wsdl")
+	soap.AddRootNamespace("onvif", "http://www.onvif.org/ver10/device/wsdl")
+	soap.AddRootNamespace("wsdl", space)
 
 	return soap, nil
 }
 
+func setXMLNamespaces(strct interface{}) (string, error) {
+	pkgName := reflect.TypeOf( strct ).PkgPath()
+	pkgSplit := strings.Split(pkgName, "/")
+	pkgName = pkgSplit[len(pkgSplit)-1]
+	switch pkgName {
+	case "Device":
+		return Device.WSDL, nil
+	case "Imaging":
+		return Imaging.WSDL, nil
+	case "Media":
+		return Media.WSDL, nil
+	case "PTZ":
+		return PTZ.WSDL, nil
+	default:
+		return "", errors.New("Can't find Service")
+	}
+}
+
 //TODO: Get endpoint automatically
 func (dev device) CallMethod(endpoint string, method interface{}) {
 
@@ -73,10 +99,17 @@ func (dev device) CallMethod(endpoint string, method interface{}) {
 
 	fmt.Println(string(output))
 
-	soap, err := buildMethodSOAP(string(output))
+	wsdlSpaces, err := setXMLNamespaces(method)
+	if err != nil {
+		fmt.Println(err)
+	}
+
+	soap, err := buildMethodSOAP(string(output), wsdlSpaces)
 	if err != nil {
 		log.Fatal(err)
 	}
+
+
 	fmt.Println("Send soap\n")
 	fmt.Println(soap.String())
 
@@ -135,18 +168,16 @@ func (dev device) CallAuthorizedMethod(endpoint string, method interface{}) {
 		log.Println("Marshalled struct: ", string(output))
 	}
 
-	soap, err := buildMethodSOAP(string(output))
+	wsdlSpaces, err := setXMLNamespaces(method)
+	if err != nil {
+		fmt.Println(err)
+	}
+
+	soap, err := buildMethodSOAP(string(output), wsdlSpaces)
 	if err != nil {
 		log.Fatal(err)
 	}
 
-	/**soap := gosoap.NewEmptySOAP()
-
-	soap.AddStringBodyContent(
-		//`<tds:SetHostname xmlns:tds="http://www.onvif.org/ver10/device/wsdl"><tds:Name>Test</tds:Name></tds:SetHostname>`,
-		`<tds:GetHostname xmlns:tds="http://www.onvif.org/ver10/device/wsdl" />`,
-	)*/
-
 	/** Generating Nonce sequence **/
 	charsToGenerate := 16
 	charSet := gostrgen.Lower | gostrgen.Digit
diff --git a/Device/types.go b/Device/types.go
index 66bd131..d37dd72 100644
--- a/Device/types.go
+++ b/Device/types.go
@@ -5,6 +5,8 @@ import (
 	"github.com/yakovlevdmv/goonvif/xsd/onvif"
 )
 
+const WSDL  = "http://www.onvif.org/ver10/device/wsdl"
+
 type Service struct {
 	Namespace xsd.AnyURI
 	XAddr     xsd.AnyURI
diff --git a/Imaging/types.go b/Imaging/types.go
index 3c77375..4cc280b 100644
--- a/Imaging/types.go
+++ b/Imaging/types.go
@@ -5,6 +5,8 @@ import (
 	"github.com/yakovlevdmv/goonvif/xsd"
 )
 
+const WSDL  = "http://www.onvif.org/ver20/imaging/wsdl"
+
 type GetServiceCapabilities struct {
 
 }
diff --git a/Media/types.go b/Media/types.go
index 2ed1dea..0fe885b 100644
--- a/Media/types.go
+++ b/Media/types.go
@@ -2,6 +2,8 @@ package Media
 
 import "github.com/yakovlevdmv/goonvif/xsd/onvif"
 
+const WSDL = "http://www.onvif.org/ver10/media/wsdl"
+
 type Capabilities struct {
 	SnapshotUri 		bool `xml:"SnapshotUri,attr"`
 	Rotation 			bool `xml:"Rotation,attr"`
diff --git a/PTZ/types.go b/PTZ/types.go
index 3c1075a..b23e220 100644
--- a/PTZ/types.go
+++ b/PTZ/types.go
@@ -11,6 +11,8 @@ type Capabilities struct {
 	StatusPosition 				xsd.Boolean `xml:"StatusPosition,attr"`
 }
 
+const WSDL  = "http://www.onvif.org/ver20/ptz/wsdl"
+
 
 //PTZ main types
 
diff --git a/xsd/onvif/onvif.go b/xsd/onvif/onvif.go
index 508cafb..46c21df 100644
--- a/xsd/onvif/onvif.go
+++ b/xsd/onvif/onvif.go
@@ -4,6 +4,8 @@ import (
 	"github.com/yakovlevdmv/goonvif/xsd"
 )
 
+const ONVIF  = "http://www.onvif.org/ver10/schema"
+
 //TODO: rename package xsdTypes
 //TODO: enumerations
 //TODO: type <typeName> struct {Any string} convert to type <typeName> AnyType