helptext=>Displays this gateways call detail record (cdr).
usage=>LoggingActive = [0|1],Action = [download|download_old|delete]
example=>&LoggingActive=1,&LoggingActive=0,&Action=download,&Action=download_old
return=>success -> if everything was ok.,archive containing call detail records of Action is download,error -> if an error occured.
