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Chapter 5 – AT Commands, S-Registers, and Result Codes
Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 37
Command: X Extended Result Codes
Description: Selects the subset of the result code messages used by the modem to
inform the DTE of the results of commands. Blind dialing is enabled or
disabled by country parameters. If the user wishes to enforce dial tone
detection, a "W" can be placed in the dial string (see D command). The
information below is based upon the default implementation of the X results
table.
If the modem is in facsimile mode (+FCLASS=1, 1.0, or 2), the only
message sent to indicate a connection is CONNECT without a speed
indication. See the table of Result Codes at the end of this chapter.
Default: 4
Defined Values: X0 Disables reporting of busy tones unless forced otherwise by country
requirements; send only OK, CONNECT, RING, NO CARRIER,
ERROR, and NO ANSWER result codes. Blind dialing is
enabled/disabled by country parameters. If busy tone detection is
enforced and busy tone is detected, NO CARRIER will be reported. If
dial tone detection is enforced or selected and dial tone is not
detected, NO CARRIER will be reported instead of NO DIAL TONE.
The value 000b is written to S22 bits 6, 5, and 4, respectively.
X1 Disables reporting of busy tones unless forced otherwise by country
requirements; send only OK, CONNECT, RING, NO CARRIER,
ERROR, NO ANSWER, and CONNECT XXXX (XXXX = rate). Blind
dialing enabled/disabled by country parameters. If busy tone
detection is enforced and busy tone is detected, NO CARRIER will
be reported instead of BUSY. If dial tone detection is enforced or
selected and dial tone is not detected, NO CARRIER will be reported
instead of NO DIAL TONE. The value 100b is written to S22 bits 6, 5,
and 4, respectively.
X2 Disables reporting of busy tones unless forced otherwise by country
requirements; send only OK, CONNECT, RING, NO CARRIER,
ERROR, NO DIAL TONE, NO ANSWER, and CONNECT XXXX. If
busy tone detection is enforced and busy tone is detected, NO
CARRIER will be reported instead of BUSY. If dial tone detection is
enforced or selected and dial tone is not detected, NO DIAL TONE
will be reported instead of NO CARRIER. The value 01b is written to
S22 bits 6, 5, and 4, respectively.
X3 Enables reporting of busy tones; send only OK, CONNECT, RING,
NO CARRIER, ERROR, NO ANSWER, and CONNECT XXXX. Blind
dialing is enabled/disabled by country parameters. If dial tone
detection is enforced and dial tone is not detected, NO CARRIER will
be reported. The value 110b is written to S22 bits 6, 5, and 4,
respectively.
X4 Enables reporting of busy tones; send all messages. The value 111b
is written to S22 bits 6, 5, and 4, respectively.
Result Codes: OK
Otherwise ERROR