Nokia 8850 Manual Suplementar
AT Command Set for Nokia 8850
9
Copyright © 2000. Nokia Mobile Phones. All rights reserved.
A/ Repeat Last Command Line
A/ can be used as the first characters in a command line replacing normal AT. Also
lowercase (a/) accepted. (V.25ter section 5.2.4.)
lowercase (a/) accepted. (V.25ter section 5.2.4.)
? Help
Returns information about implemented AT commands. Responses are product
specific.
specific.
Syntax:
AT?[<n>]
Must be given right after AT.
&C Define DCD Usage [circuit 109 (RLSD) behaviour]
This command determines how the state of the DCD V.24 signal relates to the
detection on received line signal from the distant end. (V.25ter section 6.2.8.)
detection on received line signal from the distant end. (V.25ter section 6.2.8.)
Syntax:
AT&C[0]
Keep DCD always ON.
AT&C1
Enable normal DCD usage. This is the
default option.
default option.
&D Define DTR Usage [circuit 108 (DTR) behaviour]
This command defines how the DTR V.24 signal from the DTE is handled. Command
&Q effect is present only when &Q is implemented. (V.25ter section 6.2.9.)
&Q effect is present only when &Q is implemented. (V.25ter section 6.2.9.)
Syntax:
AT&D[0]
DTR is ignored if &Q0 is selected. DTR
ON-OFF hangs up call if &Q2 is selected.
(&Q effect is a de facto feature.)
ON-OFF hangs up call if &Q2 is selected.
(&Q effect is a de facto feature.)
AT&D1
DTR ON-OFF causes a transition to on-
line command state, if there is call in
progress.
line command state, if there is call in
progress.
AT&D2
DTR ON-OFF hangs up the call. This is
the default option.
the default option.
AT&D3
DTR ON-OFF hangs up the call and
resets the data parameters to the start-up
values (like command Z). This is a de
facto feature.
resets the data parameters to the start-up
values (like command Z). This is a de
facto feature.
&F Restore Factory Settings
This command restores all the factory settings including all the S-register settings but
does not save them. Command parameters (if implemented) that are reset to their
factory defaults are: S3, S4, S5, E, Q, V, X, &C, &D, +IFC, +ILRR, S25, &S, &Q,
+CSCS, S0, S7, S8, S10, +DS, +DR, +ES, +EB, +ESR, +EFCS, +ER, +ETBM, S2,
S12, +CSTA, +CMOD, +CBST, +CRLP, +CR, +CRC, +CSNS, +CHST, +CHSN,
+CVHU, +CREG, +COPS (only <format>), +CLIP, +CLIR, +COLP, +CCUG, +CCWA
(only <n>), +CUSD (only <n>), +CSSN, +CMEC, +CMER, +CPBS, +CMEE, +CSMS,
+CPMS, +CMGF, +CSCA, +CSMP, +CSDH, +CSCB, +CNMI, +VGT, +VLS. (V.25ter
section 6.1.2.)
does not save them. Command parameters (if implemented) that are reset to their
factory defaults are: S3, S4, S5, E, Q, V, X, &C, &D, +IFC, +ILRR, S25, &S, &Q,
+CSCS, S0, S7, S8, S10, +DS, +DR, +ES, +EB, +ESR, +EFCS, +ER, +ETBM, S2,
S12, +CSTA, +CMOD, +CBST, +CRLP, +CR, +CRC, +CSNS, +CHST, +CHSN,
+CVHU, +CREG, +COPS (only <format>), +CLIP, +CLIR, +COLP, +CCUG, +CCWA
(only <n>), +CUSD (only <n>), +CSSN, +CMEC, +CMER, +CPBS, +CMEE, +CSMS,
+CPMS, +CMGF, +CSCA, +CSMP, +CSDH, +CSCB, +CNMI, +VGT, +VLS. (V.25ter
section 6.1.2.)
Syntax:
AT&F[0]
Restore factory settings.
&K Select Flow Control
This command selects the local flow control mode. This command changes the same
setting as +IFC. Use of +IFC is recommended. (De facto.)
setting as +IFC. Use of +IFC is recommended. (De facto.)
Syntax:
AT&K[0]
Disable flow control.
AT&K3
Set hardware flow control (CTS/RTS).
This is the default option.
This is the default option.
AT&K4
Set software flow control (XON/XOFF)