HP Pavilion zt1100 HP Pavilion zt1100/xz200 Series and HP Omnibook xt1500 Note - Page 139

Reference Information Modem Reference Information Modem Reference Information Note You can customize the operation of your notebook's modem using AT commands and S-registers. You can do this from Phone and Modem Options in Control Panel, from most communications software, or by using terminal mode in your software. See "To change your modem settings" on page 57. You should have a good understanding of modems and how they operate before you change default settings. This section contains summary information about AT commands, S-registers, and selected result codes for the built-in modem. Modem Reference (Ambit) In the following AT command table, default settings are shown in bold. All listed AT commands except A/ must be preceded by "AT." AT Commands (Ambit) Command Function (Ambit) Basic and Extended AT Commands A/ Re-execute command (not preceded by AT) A Go off-hook and attempt to answer a call B0 Select V.22 connect @1200 bps C1 Return OK message Dn Dial modifier E0 Turn off command echo E1 Turn on command echo H0 Initiate a hang-up sequence H1 If on-hook, go off-hook and enter command mode I0 Report modem speed I1 Report chip set I2 Report DSP code revision I3 Report controller code revision I4 Report manufacturer name I5 Report board name I6 Report OK I7 Report OK I9 Report data/TAM/handset/speakerphone I10 Report DSP code details I11 Report controller code details I12 Report driver time stamp Reference Guide 139