Comtrol AT Commands for SmartACFL - Manual (Page 162)

Command Reference Manual
6-18 Conexant 100722A
6.2.2.15 +VDT - Control Tone Cadence Reporting***
This command is included for compatibility only and has no effect other than returning a result code.
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 300 to 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.
<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:
<enable>,<report>
Example: 0,0 For the default setting.
Reporting Supported Range of Parameter Values
Command: +VDT=?
Response:
(<enable> range),(<report> range)
Example: (0),(0)
Result Codes
OK <enable>,<report> = (0),(0)
ERROR Otherwise, or if not in Voice Mode.