ATS0=2         ATE0S0=0M1X3 1&D2X4&I1             +++ 20><20><20>                    ATH0                               B1             B0             ATD                           P              T              <0D>            1              4              3 3            3 3            2 4                           OK             CONNECT                            CONNECT 1200 REL                   CONNECT 1275 00                    CONNECT 1275 75                    CONNECT 2400 REL                   CONNECT                            RING           NO CARRIER     NO DIALTONE    BUSY           
   pp