The business duties of a receptionist may include answering visitors' enquiries about a company and its products or services, directing visitors to their destinations, sorting and handing out mail, answering incoming calls on multi-line telephones or, earlier in the 20th century, a switchboard, setting appointments, filing, records keeping, keyboarding/data entry and performing a variety of other office tasks, such as faxing or emailing. Some receptionists may also perform bookkeeping or cashiering duties. Some, but not all, offices may expect the receptionist to serve coffee or tea to guests, and to keep the lobby area tidy.