...process of configuring the correlation Web Service. This is a common callback Web Service, which is exposed to the Called-out Wrapper Web Service. The Called-out Wrapper Web Service uses the Correlation Web Service to send a response back to the business process. The Partner Web Service (basically custom WSE filters registered in the OSS/BSS system Web server) calls this Web Service with the response of the Web call. It also uses the additional correlation information received during the Web method request. The Web Service intercepts the correlation information embedded in the Soap header and re-hydrates the appropriate orchestration with the response of the Web Service.