18. A transaction support apparatus for use by a plurality of human transaction operators, each provided with a telephone, which apparatus comprises: a speech recognition device having: a speech input coupled to receive a speech signal input to a said telephone by a human transaction operator which is confirmatory of a transaction, a speech recognition processor arranged to recognize predetermined transaction parameters within said speech signal; and a parameter output at which said speech recognition device is arranged to make values of said parameters thus recognized available; and an electronic transaction recording means for recording the results of said recognition together with at least portions of the received speech signal.
18. A transaction support apparatus for use by a plurality of human transaction operators, each provided with a telephone, which apparatus comprises: a speech recognition device having: a speech input coupled to receive a speech signal input to a said telephone by a human transaction operator which is confirmatory of a transaction, a speech recognition processor arranged to recognize predetermined transaction parameters within said speech signal; and a parameter output at which said speech recognition device is arranged to make values of said parameters thus recognized available; and an electronic transaction recording means for recording the results of said recognition together with at least portions of the received speech signal. 19. Apparatus as in claim 18 which further comprises; speaker verification apparatus coupled to receive a speech signal from a said telephone and to verify that said speech signal originates from a genuine said human transaction operator.