Mobile phone sim card readerwriter1 the bt paragon has a built in sim card readerwriter so theres no need to re enter all your contacts into your new phone just insert your mobiles sim card into the bt paragon and copy all the numbers from there its also a great way to keep a backup of the numbers stored on your mobile phone answering machine with up to 32 minutes digital recording time the answering machine has two pre recorded male and female outgoing messages answer