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13. ISDN CAPI Port Device Driver 203
1. Open Start -> Settings -> Control Panel -> Modems (Windows NT) or Start -
> Settings -> Control Panel -> Telephone and Modem Options (Windows
2000).
2. Select the desired modem (Windows 2000: on the "Modems" page).
3. Click the Properties button.
4. On the Settings page, click the Advanced... button (Windows 2000: Advanced
Options page).
5. Enter the AT command in the Extra Settings field.
If you want to set more than one register, separate each individual register
with semicolons followed by a space. Only the first command entered
requires the prefix ”AT”.
Example: AT S31=2; S35=38400; S51=0
6. Confirm your entries by clicking OK and close the modem window.
AT Command Va lue Parameter
ATS0= 0 0=AUTOANSWER off
(default)
11=AUTOANSWER on
ATS2= 43 ASCII code for escape
sequence character
ATS3= 13 Code for CR
ATS4= 10 Code for LF
ATS5= 8 Code for BS
ATS12= 100 Time interval for escape
sequence
ATS30= Error Level:
0 No AT command; syntax,
illegal register value,
command not executed
1 Unknown command
parameter
2 Unknown command
ATS31= 0 Protocol: X.75 (default)
1Protocol: HDLC
2Protocol: V.110
3Fax Group 3
4Protocol: TEL
5 Protocol: X.25
ISDNmst.fm Page 203 Wednesday, January 15, 2003 9:22 AM