Appendix C ~ Serial Commands | 29 |
MUTE
This command changes or reports the state of mute for a given channel.
Command form: MUTE <CH> <X1> <X2>
Explanation
Channel | 1 = Mic/Line Input, Line Output | |
| 2 | = Aux Input, Aux Output |
| 3 | = 4 Wire Input, 4 Wire Output |
| 4 | = Telco Input, Telco Output |
Value 1 | I = Specifies input | |
| O = Specifies output | |
Value 2 | 0 = Sets mute to Off | |
| 1 | = Sets mute to On (mute the selected channel) |
| 2 | = Toggles between states (regardless of current state) |
Null = Reports current mute state for the selected channel
Return values
The command will return the mute status (On=1, Off=0) in the same format as the
command.
NLP
This command changes or reports back the state of the nonlinear processing for the
echo canceller. Command form: NLP <X>
Explanation
Value | 0 | = Sets the state to Off |
| 1 | = Sets the state to soft |
| 2 | = Sets the state to medium |
| 3 | = Sets the state to aggressive |
Null = Returns the current state
Return values
The command will return the updated condition (0=Off, 1=Soft, 2=Medium,
3=Aggressive) of the nonlinear processing in the same format as the command.
NULL
This command sends a short noise burst down the telephone line and adapts the
GT1524 to the telephone line. Command form: NULL
Return values
NULL is returned out the serial port when the command has been executed.
