ZyXEL Elite 2864 User Guide - Page 191

The DCE returns the result code OK if the DCE accepts this command, or it returns the result code ERROR if the parameter is out of range. • AT+VGT? The DCE returns the current transmission gain, followed by the OK result code. • AT+VGT=? The DCE returns permitted values for the transmission gain. The response is: 56-200 OK • AT+VIT= This command sets the inactive time-out value for the DTE/DCE Inactivity Timer. The default value is 7 seconds. Acceptable values are 0 to 255 with a unit of 0.1 seconds.The DTE can disable the Inactivity Timer by setting the value to zero. The DCE returns the OK result code if DCE accepts this command, or it returns the ERROR result code if is out of range. • AT+VIT? The DCE returns the current Inactivity Timer time-out value, followed by the OK result code. • AT+VIT=? The DCE returns the permitted Inactivity Timer time-out values. The units are in 0.1 seconds. The response is : 0-255 OK • AT+VLS= This command causes the DCE to select a voice I/O device. The permitted is as follows: 0 1 2 8 16 Description The DCE is on-hook. The Local phone is connected to the Telco Line. (default) The DCE is on-hook and is connected to the Local Phone. The Local Phone is provided with power to detect the hook condition. The DCE is off-hook and is connected to the Telco Line. The Local Phone is provided with power to detect the hook condition. The DCE is on-hook and is connected to an External Microphone. The Local Phone is connected to the Telco Line. The DCE is on-hook and is connected to the Internal Speaker. The Local Phone is connected to the Telco Line. 16-15