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Command: +VRA
Description:
Syntax:
Defined Values:
Reporting Current or Selected Values:
Reporting Supported Range of Parameter Values:
Result Codes:
Command: +VRN
Description:
Syntax:
Defined Values:
Reporting Current or Selected Values:
Reporting Supported Range of Parameter Values:
Result Codes:
Command: +VSD
Description:
Syntax:
Defined Values:
Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer's Guide
Ringback Goes Away Timer
This command sets the length of time the modem will wait between ringbacks
during call origination before the modem can assume that the remote station
has gone off-hook.
+VRA=<interval>
<interval> Decimal number (0-255) specifying the silence interval time in units
of 0.10 second between the end of one ring interval and the start of the next
ring interval. A value of 0 forces the modem to report the OK result code
immediately after the first Ringback. The range is 0.1 to 25.5 seconds for
<interval> = 1 to 255.
Command: +VRA?
Response: <interval>
Example: 50 (5 seconds) For the default setting.
Command: +VRA=?
Response: (<interval> range)
Example: (0-255) 255 = 25.5 sec
OK <interval> = 0-255
ERROR Otherwise, or if not in Voice Mode.
Ringback Never Appeared Timer
This command sets the length of time the modem will wait between ringbacks
during call origination before the modem can assume that the remote station
has gone off-hook.
+VRN=<interval>
<interval> Decimal number specifying the time period, in units of 1.0 second,
that the modem will wait for Ringback during call origination. A value of 0
forces the modem to report the OK result code immediately after dialing. The
range is 1 to 25 seconds for <interval> = 1 to 25.
Command: +VRN?
Response: <interval>
Example: 10 (10 seconds) For the default setting.
Command: +VRN=?
Response: (<interval> range)
Example: (0-25)
OK <interval> = 0-25
ERROR Otherwise, or if not in Voice Mode.
Silence Detection (Quiet and Silence)
This command causes the modem to set the silence detection sensitivity and
the required period of silence before the modem reports silence detected at
the end of a voice receive either with the "Presumed End of Message" (QUIT)
or "Presumed Hangup (SILENCE) event reports.
+VSD=<sds>,<sdi>
<sds> Decimal number corresponding to the selected parameter.
0 Use +VSM silence compression setting and algorithm for long-term silence
detection (if +VSM is in use) or proprietary silence compression setting and
algorithm for long-term silence detection (if +VSM is not in use).
127 Sets less aggressive long-term silence detection independent of
presence or use of silence compression.
128 Sets nominal long-term silence detection independent of presence or use
of silence compression.
Chapter 7 – Voice Commands
110
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