HOW TO LOCK THE BAUD RATE OF YOUR ZOOM V.34 MODEM

                            AT+MS=nn,x,yyyyy,zzzzz

where:

                     n= type protocol  (74=vFast, 11=v34)
                    x= automatic modulation (0=off, 1=on)
                         y= min baud rate (300-28800)
                         z= max baud rate (300-28800)

examples:

                            AT+MS=11,0,26400,26400
                            AT+MS=74,0,24000,24000