update-

package.json

 {
 	"name": "boxdialer",
-	"version": "4.8.1",
+	"version": "4.8.2",
 	"description": "",
 	"main": "src/boxDialer.js",
 	"scripts": {

src/root/index.jsx

@@ -85,7 +85,7 @@ const Root = ({ wsphonedata, onSetDnd, setWsphonedata, callMethod }) => {
 				// 	'==========------------reg_checking: ',
 				// 	boxDialer.isUaRunning(),
 				// );
-				if (boxDialer.isUaRunning() || this.isRestarting) {
+				if (boxDialer.isUaRunning() || boxDialer.isRestarting) {
 					setTimeout(waitUaRegisterLost, 10);
 				} else {
 					boxDialer.sipRegister(wsphonedata);
@@ -157,7 +157,7 @@ const Root = ({ wsphonedata, onSetDnd, setWsphonedata, callMethod }) => {
 
 	window.onbeforeunload = () => {
 		if (typeof BX !== 'undefined') {
-			this.isRestarting = true;
+			boxDialer.isRestarting = true;
 			console.log('window_onbeforeunload =============-------------');
 			localStorage.removeItem('mycall');
 			localStorage.removeItem(BX.bitrix_sessid() + '_mycall');