An automatic telephone dialer for placing outgoing telephone calls from a facsimile terminal or the like in response to dialing instructions read by a raster input scanner automatically re-attempts to place calls which cannot initially be completed because of a busy link status for a predetermined number...http://www.google.de/patents/US4113991?utm_source=gb-gplus-sharePatent US4113991 - Automatic dialer having a selective retry capability
Automatic dialer having a selective retry capability
