AT$H5

Value   Description                         Range            Default                       

S0      Ring To Answer On                   (0 - 255)        (0)                           

S1      Ring Count                          (0 - 255)        (0)                           

S2      Escape Sequence Character           (0 - 255)        (43)                          

S3      Carriage Return Character            (0 - 127)       (13)                          

S4      Line Feed Character                 (0 - 127)        (10)                          

S5      Backspace Character                 (0 - 32,127)     (43)                          

S6      Wait Time for Dial Tone              (2 - 255)       (2)                           

S7      Wait Time for Carrier               (1 - 255)        (50)                          

S8      Pause Duration                      (0 - 255)        (2)                           

S9      Carrier Detect Time                 (1 - 255)        (6)                           

S10     Carrier Loss Time                   (1 - 255)        (14)                          

S11     DTMF Dialing Duration               (50 - 255)       (95)                          

S12     Hayes Escape Guard Time              (0 - 255)       (50)                          

S16     Test in Progress                    (read only)      (0)                           

S18     Test Timer                          (0 - 255)        (0)                    

S19     AutoSync Options                    (2 -  62)        (0)                    

S20     HDLC Address Or BSC Sync Character  (0 - 255)        (0)                    

S25     DTR Change Time                     (0 - 255)        (5)                    

S26     RTS To CTS Delay                    (0 - 255)        (1)                    

S30     Inactivity Timeout                  (0 - 255)        (0)                    

S31     XON Character                       (0 - 255)        (17)