Product data

USRobotics
Command Reference
Voice Commands - 144
1 The modem will report ring cadence information as specified for
the <report> subparameter.
<report> Decimal number specifying ring cadence information report when
enabled by the <enable> subparameter.
0 The modem will produce only DROF and DRON messages. The
modem will not produce any RING event codes. The modem will
report other call progress event codes as normal.
Other The modem will produce only DROF and DRON messages. The
modem will produce a RING event code after <report>/10
seconds after the falling edge of the ring pulse (i.e., after the
DRON report).
Reporting Current or Selected Values
Command: +VDR?
Response: +VDR: <enable>,<report>
Example: +VDR: 0,0 For the default setting.
Reporting Supported Range of Parameter Values
Command: +VDR=?
Response: +VDR: (<enable> range),(<report>range)
Example: +VDR: (0,1),(0-60)
Result Codes
OK <enable>,<report> = (0,1),(0-60)
ERROR Otherwise, or if not in Voice Mode.
+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