Multitech BL-Series Instrukcja Użytkownika Pobierz pdf (Strona 40)

Voice Commands for the MT5656ZDXV and MT5600ZDXV Modems

Multi-Tech Systems, Inc. Commands Reference Guide (PN S000273D)

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. 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.

Command: +VSD= Silence Detection (Quiet and Silence)

Description: 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.

Syntax: +VSD=<sds>,<sdi>

Defined Values: <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.

129 sets more aggressive long-term silence detection independent of

presence or use of silence compression.

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