TRENDnet TFM-560PCI Manual - Page 39

I101 V.90 PCI MODEM USER'S MANUAL A5.2.9 +VRA= - 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. Defined Values Decimal number (0-600) 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 0.01 to 60.0 seconds for = 1 to 600. Reporting Current or Selected Values Command: +VRA? Reporting Supported Range of Parameter Values Command: +VRA=? A5.2.10 +VRN= - 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. Defined Values Decimal number (0-60) 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 60 seconds for = 1 to 60. Reporting Current or Selected Values Command: +VRN? Reporting Supported Range of Parameter Values Command: +VRN=? A5.2.11 +VSD=, - 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. Defined Values 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. P.39 44