Telephone recording. HiI have a Denpa USB-12 i am trying to connect to my telephone line the

Question

HiI have a Denpa USB-12 i am trying to connect to my telephone line the problem being i have a Broadband line which someone suggested get a asdl connector which i have connected the device seems not to use the function VOR and keeps on recording. as it keeps on picking the noise of the surrounding area as well as the telephone line