Polycom SoundStructure C16 Design Manual page 592

PSTN Loop Current—pstn_loop_current
Argument Argument value
Channel Type Virtual Channel
Value Type Floating-Point
Read/Write Mode Read-Only
Phys Chans Analog Telephony Output
Virt Chans Mono
System Limits Minimum: 0.0, Maximum: 281.6, Resolution: 0.1
Event Source No
Description
This parameter indicates the loop current (in milliamps) of the PSTN interface. The value is only valid when
the interface is off-hook.
PSTN Output Gain—pstn_out_gain
Argument Argument value
Channel Type Virtual Channel
Value Type Floating-Point
Read/Write Mode Read/Write
Phys Chans Analog Telephony Output
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 going to the PSTN interface.
Polycom, Inc. 592