Reference Guide for the Model XM128 ISDN Digital Modem
C-12 AT Command Set Reference
TableC-4. Extended AT* command set
Command Options Function and description
*Cn n=0-3 Character length, including start, stop and parity bit. See also S-register 15.3 and
15.4. For a description of Extended S-registers, refer to TableD-4 on page D-5 in
AppendixD, “Status Registers and Result Codes."
*C0 * 10-bit character length.
*C1 11-bit character length.
*C2 9-bit character length.
*C3 8-bit character length.
*Dn n=0-39 Sets default dial pointer at telephone directory location n. See also S-r egister 29.
For a description of Extended S-registers, refer to TableD-4 on page D-5 in
AppendixD, “Status Registers and Result Codes."
*D0 * See also S35.4 and S38.0. For a description of Extended S-registers, refer to
TableD-4 on page D-5 in AppendixD, “Status Registers and Result Codes."
*Gn Security function selection. See also S-regist ers 36.5 to 36.7. For a description of
Extended S-registers, refer to T ableD-4 on page D-5 in Appendix D, “Status
Registers and Result Codes."
*G3 Enables type 2 secu r i t y, with password check.
*G4 Enables type 2 security, with password check and callback.
*G5 Enables type 2 security, with password check and callback; remote site enters the
callback number.
*GCn n=0-1 Callback function selection.
*GC0 Disables callback function.
*GC1 Enables callback function.
*HCn=s n=0-4 Assigns callback phone number, s to storage location n.
*Hn n=0-39 Modifies user password table at location n.
*HS Modifies supervisory password (Default: NETGEAR).
*T Recalls the last CND (Caller ID) information.
*V Views the Password table.
*VC Views the Callback Number table.