 in the library without the need for costly human assistance. Fax servers also support broadcast fax, the ability to send a single document or group of docu- ments to a list of separate fax recipients. 184 a The Telecom Handbook CHAPTER 9 Documents can be faxed into the system using the Fax-on- Demand software in conjunction with a fax circuit board. A system administrator numbers documents and creates menus SO that the caller can request individual documents. The documents may be stored on the same hard drive as Voice Mail messages or this may be set up as a separate system. The system administra- tor then maintains the Fax-on-Demand Library. There are two basic ways for a caller to retrieve documents, Same Call Fax and Call Back Fax. With Same Call Fax, the caller requesting the documents re- ceives the fax during the same call on which the request was made. For this, the caller must be calling from a fax machine equipped with a telephone. The following is a scenario for Same Call Fax: Caller picks up the telephone on the fax machine and di- als the access number. "Good afternoon. Thank you for calling Netversant. If you know the extension of the party you are calling, you may dial it now. For access to our Fax Library, press 7." Caller presses 7. "If you are a first time user of our Fax Library, press 1 to have an index of available documents faxed to you. If you know the document number you wish to receive, you may enter it now. For an ex- planation of the operating procedures of the Fax Library, press 2 now." Caller presses 3021, the index number of the document they wish to receive. "Press the start button on your fax machine now.' Caller presses the start button on the fax machine. The Fax-on-Demand system transmits the requested document. The Telecom Handbook * 185 FAX SERVERS The advantages of Same Call Fax are the following: The caller pays the telephone charges for the fax transmis- sion. Since the caller dialed in from this fax telephone, he pays for the fax transmission as well as the cost to request