Chapter 4 – Voice Commands
Multi-Tech Systems, Inc. SocketModem MT5600SMI/MT5656SMI Reference Guide (S000306C)
107
Command: +VRA
Ringback Goes Away Timer
Description:
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.
Syntax: +VRA=<interval
>
Defined Values:
<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.
Reporting Current or Selected Values:
Command:
+VRA?
Response:
<interval>
Example: 50 (5 seconds) For the default setting.
Reporting Supported Range of Parameter Values:
Command:
+VRA=?
Response:
(<interval>
range)
Example: (0-255) 255 = 25.5 sec
Result Codes:
OK <interval> = 0-255
ERROR Otherwise, or if not in Voice Mode.
Command: +VRN
Ringback Never Appeared Timer
Description:
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.
Syntax: +VRN=<interval>
Defined Values:
<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.
Reporting Current or Selected Values:
Command:
+VRN?
Response:
<interval>
Example: 10 (10 seconds) For the default setting.
Reporting Supported Range of Parameter Values:
Command:
+VRN=?
Response:
(<interval>
range)
Example:
(0-25)
Result Codes:
OK <interval> = 0-25
ERROR Otherwise, or if not in Voice Mode.
