ATSn Read/Write S-Register
The modem selects an S-Register, performs an S-Register read or
write function, or reports the value of an S-Register.
Sn Establishes S-Register n as the last register accessed.
Sn=v Sets S-Register n to the value v.
Sn=? Repotrs the value of S-Register n.
The parameter n can be omitted, in which case the last S-Register
accessed will be assumed. The S can be omitted for AT=and AT?, in which case
the S-Register accessed will be assumed.
For example:
ATS7 establishes S7 as the last accessed register.
AT=40 sets the contents of the last register accessed to 40.
ATS=20 sets the contents of the last register accessed to 20.
If the number "n" is beyond the range of the S-Registers available,
the modem will return the ERROR message. The value "V”is
"MOD"ed with 256. If the result is outside the range permitted for a given
S-Register the values will still be stored, but functionally the lower and higher
limits will be observed. Input and output are always indecimal format. Note that
some S Registers are read-only.
In some cases, writing to the S-Register will appear to be accepted
but the value will not actually be written.
Due to country restrictions, some commands will be acceptd, but the
value may be limited and replaced by a maximum or minimum value.
ATT Set Tone Dial Default
This command forces DTMF dialing until the next P dial modifier or P
command is
received.The modem will set an S-Register bit to indicate that all
subsequent dialing should be conducted in tone mode. Note that the DP
command will override this command.
It also clears S14 bit 5. This command may not be permitted in some
countries.
ATVn Result Code Form
This command selects the sending of short-form or long-form result
codes to the DTE. The parameter, if valid, is written to S14 bit 3.
ATV0 Enables short-form(terse)result codes. Line feed is not
issued before a short-form
result code.
ATV1 Enables long-form (verbose) result codes.(Default)
ATWn Connect Message Control
This command controls the format of CONNECT messages. The
parameter value, if valid,
Содержание FM56-ITU/2
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