a method for acquiring customer premises equipment function configuration information includes : setting up a cpe wan management protocol session between an automatic configuration server and a cpe ; sending , by the acs , a command to request the cpe to upload the cpe function configuration information to a specified object ; and receiving , by the specified object , the cpe function configuration information uploaded by the cpe . an acs , a cpe , a method for providing cpe function configuration information , and a terminal configuration system are also provided .