Longshine LCS-8056C2 - Manual (Page 152)

Commands for Host-Processed Modems Reference Manual
5-20 Conexant 100498E
+VBT - Buffer Threshold Setting
This command causes the modem to report the <deassert> and <assert> subparameter values
as a <compound ranges of values>. The OK result code follows the report.
Syntax
+VBT=<deassert>,<assert>
Defined Values
To be added
Reporting Current or Selected Values
Command: +VBT?
Response: +VBT: <deassert>,<assert>
Example: +VBT: TBD For the default setting.
Reporting Supported Range of Parameter Values
Command: +VBT=?
Response: +VBT: (<deassert> range), (assert>range)
Example: +VBT: (820-4096),(6144-7372), 8192
Result Codes
OK <deassert>,<assert>= 0 or 1.
ERROR Otherwise, or if not in Voice Mode.