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AT Command Set Summaries 89
Command Options Function & Description Ref.
&Y2 Nondestructive, unexpedited.
&Z? Display all the phone numbers stored
in non-volatile RAM.
&Zn=s n=0-49 Write phone number/s to NVRAM at
location n (n=0-49) use AT*Dn or
ATS29=n to set the default dial
pointer.
Extended AT* Command Set
Command Options Function & Description Ref.
*Bn Dial-backup selection. S30
*B0 * Disable dial-backup.
*Bn Enable dial-backup and set dial-
backup pointer at telephone
directory location (n-1). See also
S34, S44b2)
*Cn Character length, including start,
stop and parity bit.
S15.3-4
*C0 * 10-bit character length.
*C1 11-bit character length.
*C2 9-bit character length.
*C3 8-bit character length.
*Dn n=0-49 Set default dial pointer at telephone
directory location n.
S29
*D0 * (See also S35.4 and S38.0)
*En Modem error control negotiation. S21.0
*E0 * if error control negotiation fails,
keep the non-error control
connection.
*E1 If error control negotiation fails,
disconnect the call (hang-up).