Hayes - a complete list of Hayes modem commands.

    ─── Командное множество Hayes ───

 COMMAND SUMMARY
command  Description
          (*denotes the factory setting)

AT       Attention Command
A/       Repeat Preceding Command Secuense
A        Ansower Call Imme iately
B        Select CCITT V.22 and V.21 Mode
B1      *Select BELL212A and 103 Mode
C        Not permitted; returns  ERROR re-
         sult code
C1      *Normal transmit carrier switching
         (preset)
Dn       Dial Telephone Number (n)
         Additional Dial Modifier Commands:
         L = Dial the last string that was
             dialed
        *P = Pulse Dial Mode
         T = Touch Tone Mode
         R = Reverse To Answer Mode  After
             Dialing
         S = Dial Stored Number
         W = Wait  For  Dial  tone  before
             dial in
         , = Pause (2 Seconds)
         ; = Return To Command State After
             Dialing
         @ = Wait For Quiet Answer ( 5 Se-
             conds Of Silence
             After Detecting Ringback)
         ! = Flash (1/2 Second On-Hook)
         ^ = Turn On Call Tone
E        Command Character Echo Disabled
E1      *Command Character Echo Enabled
F        Error
F1      *On Line State Character Echo  Di-
         sabled
H        Go To On-Hook (Off-Line)
H1       Go To Off-Hook (On-Line)
I        Output Product Code To The PC
I1       Output ProductChecksum To The PC
I2       Perform Checksum  Test and return
         OK/ERROR
I3       Output  Manufacturer  I.D. and C-
         hecksum To The PC
L0,1     Select Low Speaker Volume
L2      *Select Medium Speaker Volume
L3       Select Hight Speaker Volume
M        Speaker Always Off
M1      *Speaker on During Autodialing and
         Until Carrier Detected
M2       Speaker Always  on  When Modem is
         Off-Hook
M3       Speaker on After  Autodialing and
         Until Carrier Detected
O        Return to on-Line Communication
O1       Return  to  on-Line Communication
         and Initiate Retrain
P       *Set Pulse Dial as Default
Q       *Result Code Messages Sent to  The
         PC
Q1       No Result  Code Messages  Sent to
         The PC (Quiet)
Sr?      Read and Display Contents of  Re-
         gister (r)
Sr=n     Set Register (r) To Value (n)
T        Set Tone Dial as Default
V        Result Code Messages Sent in  Nu-
         meric Format
V1      *Result Code Messages Sent in Eng-
         lish Word Format
X        Basic Status Set / Blind Dialing
X1       Extended Status Set /  Blind Dia-
         ling
X2       Extended Status Set/Dialtone  De-
         tection
X3       Extended Status Set / Blind  Dia-
         ling / Busy Tone Detection
X4      *Extended Status Set / Dialtone  &
         Busy Tone Detection
Y       *Long Space Disconnect Disabled
Y1      *Long Space Disconnect Enabled
Z       *Restore  The Active  Cofiguration
         with User Profile 0
Z1       Restore  The Active  Cofiguration
         with User Profile 1
+++     *Escape Code From On-Line  to Com-
         mand State
&C      *Force DCD Active
&C1      DCD Indicates  On-Line Data  Car-
         rier Detected
&D      *Force DTR Active
&D1      Return To Command State After  ON
         to OFF Transition of DTR
&D2      Disconnect, Return  to Command S-
         tate And Disable Auto-Answering
         After ON to OFF Transition of DTR
&D3      Initialize to User  Configuration
         After ON to OFF Transition of DTR
&F       Initialize to Factory  Configura-
         tion
&G      *No Guard Tone
&G1      550 Hz Guard Tone
&G2      1800 Hz Guard Tone
&J      *RJ-11,RJ-41S,or RJ45S  type Telp-
         hone Jack
&J1      RJ-12 or RJ-13 type Telephone Ja-
         ck
&L      *Dial-up Line Mode
&L1      Leased Line Mode (not supported)
&M      *Asynchronous Operating Mode (Same
         as AT&Q0-AT&Q3)
&P      *39% Make/61% Break Pulse Dial Ra-
         tio @10pps (USA/Canada)
&P1      33% Make/67% Break Pulse Dial Ra-
         tio @10pps (UK/HK)
&P2      39% Make/61% Break Pulse Dial Ra-
         tio @20pps
&P3      33% Make/67% Break Pulse Dial Ra-
         tio @20pps
&Q       Select  Asinchronous Operation in
         Direct Mode
&Q1      Reserved
&Q2      Reserved
&Q3      Reserved
&R       CTC Track  RTS (not supported  by
         fax/modem hardware).
&R1      CTC on,RTS ignored. CTC is always
         in asynchronous mode.
&S      *DSR Always ON
&S1      DSR Turned OFF  While  Carrier is
         Lost
&T       Terminate Test in Progress
&T1      Initiate  Local  Analog  Loopback
         Test Mode
&T3      Initiate  Local  Digital Loopback
         Test Mode
&T4     *Enable Response to Remote Digital
         Loopback Signal
&T5      Disable Response  to Remote Digi-
         tal Loopback Signal
&T6      Initiate Remote  Digital Loopback
         Test Mode
&T7      Initiate Remote Digital  Loopback
         with Self-Test
&T8      Enter Local Analog  Loopback with
         Self-Test
&V       View  Current  Configuration  and
         User Profile
&W       Save User  Profile  0 as  Current
         Configuration
&W1      Save  User Profile 1  as  Current
         Configuration
&X      *The Modem Generates The  Transmit
         Clock
&X1      The  Local DTE Sources The Trans-
         mit Clock
&X2      The Modem  Derives Transmit Clock
         From Incoming carrier
&Y0     *Select User Profile 0  as the Ac-
         tive Profile
&Y1      Select User Profile 1 as the Ac-
         tive Profile
&Zn=x Write Phone Number (x) To Memory
         entry (n)
%Dn DTMF Level Attenuation
%Ln Transmit Level Attenuation
%J Load Secondary Defaults


    MODEMS. USER GUIDE.
      DOE. SAINT PETERSBURG 1997.

AT Command Line Prefix
Ln Request result code and n-
         test amount ROM:
         0 - the modem sends a three-digit
             result code;
         1 - the modem issues a check sum -
             mu program ROM;
         2 - the modem issues  or status
             Removing checksum error
             ROM programs;
         3 - the modem displays its status, on-
             Any data format, protocol
             Bell or ITU-T.
A Auto answer.
Bn Bell or ITU-T protocol selection:
         0 - ITU-T V.22/V.22bis;
         1 - Bell 212A.
Cn Carrier signal transmission:
         0 - prohibits carrier transmission;
         1 - enables carrier transmission.
Dn Dial number n and establish c-
         ligatures
P Using pulse dialing
         (PULSE method).
R Establishing communication in reverse
         mode - auto answer mode.
S Dial a stored number.
T Using tone dialing
         numbers (TONE method).
W Waiting for a long tone (beep) fromlines.
@ Waiting for "silence" on the line.
, Delay, break in sequence
         call duration (delay time -
         from register S8).
!        Short time delay (0.5s)
         - imitates the process of “putting t-
         cabin".
;        Return to modem command mode
         after dialing the number.
/ Pause for 1/8s.
En Echo modem commands (display
         issued commands on the display screen
         leya):
         E0 - echo suppression;
         E1 - any character sent to
         modem in command mode, display
         appears on the display.
Fn Set duplex mode:
         F0 - half duplex mode;
         F1 - full duplex mode.
Hn Connecting the modem to the line:
         H0 - “hang up” (HUNGE UP
         or ON HOOK);
         H1 - “pick up the handset” (OFF HOOK);
Ln Built-in volume control
         dynamics:
         L0 - weak; L1 - above weak; L2
         - average; L3 - high.
Mn Speaker Control:
         M0 - off;
         M1 - switched on during a call
              or reply (default);
         M2 - always on;
         M3 - turns off after receiving
              carrier signal when dialing
              numbers.
On Modem operating mode control:
         O0 - switches the modem to transfer mode
              editions;
         O1 -switches the modem to re-mode
              edits and reinstalls
              communication protocols and parameters
              equalizer.
Qn Sending messages by modem:
         Q0 - allows messages to be issued
              modem;
         Q1 - prohibits the issuance of messages.
Sn=x Write commands to S-registers:
         n - S-register number;
         x - value written in re-
             hystr.
Sn?      Read register - reads the contents
         Press the S-register with number n.
Vn Select codes for modem messages:
         V0 - numbers are used;
         V1 - words are used.
Xn Select a set of diagnostics
         communication, definition management
         busy signal and presence of buzzer
         kov in line.
         X5,X6 - voice/data switching:
         X5 - transition from voice mode
            communication in data transfer mode;
         X6 - transition from transfer mode
           data to voice mode.
Yn Remote session disconnect
         connections:
         Y0 - does not turn off;
         Y1 - turns off after a delay of
         1.6s.
Z Initial installation, drive
         refers to the following events:
         - the modem hangs up;
         - contents of all S-register-
           turns into the "by" state
           default";
         - the command buffer is cleared;
         -the configuration status is read
           rational switches or
           configuration file from energy
           dependent memory;
          message is sent.

EXTENDED SET OF AT-COMMANDS.

&Cn  Determining the position of the information
         tion carrier (DCD):
         &C0 - the modem supports DCD (con-
               cycle 8 DB-25 RS-232) always
               included;
         &C1 - DCD information carrier
            determined by the connection state.
&Dn  Determining the position of the ho-line
         terminal performance (DTR):
         &D0 - modem ignores DTR signal
               (pin 20 DB-25 RS-232);
         &D1 - when the DTR modem disappears
              goes into command mode
              asynchronous mode;
         &D2 - turning off DTR leads to
         "putting down the tube", exiting the re-
         pressing the answer and returning to the com-
         this mode;
         &D3 - disable DTR initialization
               The modem is working.
&F  Reading configuration from energy
         independent memory (ERPROM).
&Gn  Selecting the frequency of the protective signal
         tones:&G0 or &G - without protective tone;
         &G1 - 550 Hz;
         &G2 - 1800 Hz (default).
&Jn  Selecting a telephone jack:
         &J0 - RJ-11/RJ-41S/RJ-45S;
         &J1 - RJ-12/RJ-13.
&Ln  Selecting the line type:
         &L0 - switched;
         &L1 - dedicated (rented) li-
               nia.
&Mn  Selecting the communication mode:
         &M0 - asynchronous;
         &M1 - first synchronous mode -
         asynchronous call and subsequent
         transition to synchronous mode;
         &M2 - second synchronous mode -
         remembering the call number;
         &M3 - third synchronous mode -
         manual call.
&Pn  Select the call/pause ratio (break
         -relations) for pulse mode-
         set ma:
         &P0 - 39/61 (USA, Canadian standard
         and Russia);
         &P1 - 33/67 (UK standard)
         tania).
&Rn  Determining the position of the RTS signal
         (only in synchronous mode):
         &R0 - CTS signal (pin 5 DB-25
         RS-232) is transmitted if availableRTS signal (pin 4);
         &R1 - modem ignores RTS and on-
         Turns off CTS when ready to receive
         synchronous data.
&Sn  Determines the position of the signal
         Modem performance (DSR):
         &S0 - the modem sets DSR by
         inclusion;
         &S1 -DSR (pin 6 DB-25 RS-232)
         operates according to recommendations
         tions of the EIA.
&Tn  Setting the test mode:
         &T0 - stops any execution
         a test to receive a command;
         &T1 - starts local analog
         gov test;
         &T2 - starts local digital
         howl test;
         &T3 - prepares the modem for
         completion of remote digital data
         hundred at the request of another modem;
         &T4 - prohibits remote digital
         howl test;
         &T5 - allows remote digital
         howl test with another modem;
         &T6 - initializes the remote
         digital test;
         &T7 - initializes the remote
         digital test with self-diagnosis.
&Wn  Write the current configuration to e-
         non-independent profile memory
         (profile)n.
&Xn  Select clock source
         transmission synchronization (only
         for synchronous operation
         port):
         &X0 - the modem generates a clock
         frequency and outputs it at 15 con-
         clock DB-25 RS-232;
         &X1 - the computer generates like this -
         frequency and transmits it to
         modem via 24 pin DB-25, and
         the modem transmits it through the contact
         15;
         &X2 - the modem selects the signal like this -
         synchronization from the input
         signal and supports it on
         pin 15 RS-232.
&Zn  Memorizing phone number n.


              Nifontov Vladimir


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