PSTN Input
Gain—pstn_in_gain
Argument
Argument value
Channel Type
Virtual Channel
Value Type
Floating-Point
Read/Write Mode
Read/Write
Phys Chans
Analog Telephony Input
Virt Chans
Mono
System Limits
Minimum: -20.0, Maximum: 20.0, Resolution: 0.5
Default
0.0
User Limits
No
Supported
Event Source
No
Description
This parameter sets the gain (in dB) of the signal coming from the PSTN interface.
Examples
Command
set pstn_in_gain "Phone
In" 6
Polycom, Inc.
Response
val pstn_in_gain "Phone
In" 6
Description
Adjusts the input gain on the phone input to 6dB. Note
that the phone in virtual channel name must be used, not
the phone out virtual channel name.
590