Vdt - control tone cadence reporting, Syntax, Defined values – Longshine LCS-8056C2 User Manual
Page 151: Reporting current or selected values, Reporting supported range of parameter values, Result codes

Commands for Host-Processed Modems Reference Manual
100498E
Conexant
5-19
+VDT - Control Tone Cadence Reporting
This command allows the modem to enable or disable reporting of the control tone cadence
information in the frequency band used by the Ringback/Remote Ring, BUSY, and
reorder/Fast Busy tones (usually in the 300to 600 Hz range).
Syntax
+VDT=<enable>,<report>
Defined Values
<enable>
Decimal number corresponding to the selected option.
0
The modem will not produce any control tone
cadence report.
1
The modem will produce control tone cadence report
as specified for the <report> subparameter.
<report>
Decimal number specifying the produced any control tone cadence
report when enabled by the <enable> subparameter.
0
The modem will produce only CPOF and CPON
messages.
Other Reserved.
Reporting Current or Selected Values
Command: +VDT?
Response: +VDT:
<enable>,<report>
Example:
+VDT: 0,0
For the default setting.
Reporting Supported Range of Parameter Values
Command: +VDT=?
Response: +VDT: (<enable> range),(<report> range)
Example: +VDT:
(0,1),(0)
Result Codes
OK
<enable>,<report> = (0,1),(0)
ERROR
Otherwise, or if not in Voice Mode.