In a facsimile communication system, a user's terminal facsimile apparatus stores a plurality of character strings each composed of instruction words and data to be sent to a host apparatus for identifying one of communication services offered from the host apparatus. Accordingly, when one of the stored...http://www.google.com.hk/patents/US5612993?utm_source=gb-gplus-share專利 US5612993 - Facsimile communication system
