hide extensionNumber in setting page when there is no available extensionNumber (#334)
hide extensionNumber in setting page when there is no available extensionNumber (#334)


ringcentral/ringcentral-js-widget,u9520107/ringcentral-js-widget,u9520107/ringcentral-js-widget,u9520107/ringcentral-js-widget,ringcentral/ringcentral-js-widget,ringcentral/ringcentral-js-widget