The Federal Communications Commission has refused an industry request to exempt mortgage servicing calls from prohibitions against the use of “robocalls,” or automated dialing and calling systems, to contact delinquent borrowers on their cell phones. In a long-awaited final rule limiting the way servicers can collect on student loans, mortgages and other debts owed to the federal government, the FCC said it would not make a decision on whether the statutory exemption from the Telephone Consumer Protection Act’s “prior express consent” requirements applies to Fannie Mae and Freddie Mac loans or their servicers. The TCPA and FCC regulations require...