For anyone else trying to figure it out, in 1.8: /scp/forms.php?id=1 Click the "config" button next to "Phone Number" field, pick from the "Display format:" drop-down "Unformatted". In 1.73 or less:Open /include/class.format.php, find the function phone($phone)change first line to: return preg_replace("/", "", $phone);