Fax, Modem, and Text for IP Telephony

Chapter 8. Fax Servers

Traditionally, fax servers were computers equipped with one or more fax modems connected to the public switched telephone network (PSTN). The function of the fax server was to accept incoming faxes and pass them on to users electronically or to store the fax documents locally. Conversely, the fax server also received documents from users, converted them into faxes, and transmitted them to other fax machines.

Because fax servers provide secure, automated, and efficient handling of fax documents, they have been widely deployed by companies needing dedicated fax solutions. For example, in a retail or manufacturing scenario, fax server functions include transmitting and receiving purchase orders, invoices, and order confirmations. ...