A conventional facsimile machine re-dials by using another telephone line after an elapse of a predetermined period of time since when a communication error after a line connection has occurred, so that it takes a predetermined period of time to re-dial by using the other telephone line, and hence a...http://www.google.com.au/patents/US6359697?utm_source=gb-gplus-sharePatent US6359697 - Facsimile machine
