A terminal, such as a group 4 (G4) facsimile, coupled to an integrated services digital network has a function for setting up a confirmation call for automatically detecting a change of a different terminal, from a group 3 (G3) facsimile to a G4 facsimile. The G4 facsimile has a memory for memorizing...http://www.google.fr/patents/US6067172?utm_source=gb-gplus-shareBrevet US6067172 - Terminal coupled to integrated services digital network having confirmation call operation
Terminal coupled to integrated services digital network having confirmation ...
