Polycom C16 - Manual (Page 387)

Command Protocol Reference Guide
A - 45
phone_dial_tone_gain Dial Tone Gain
Description
This parameter controls the gain that is applied to the incoming phone signal
when dial tone is present.
Examples
phone_dtmf_gain Telephony Input DTMF 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: -100.0, Maximum: 20.0, Resolution: 0.1
Default 0.0
User Limits
Supported No
Command Response Description
set phone_dial_tone_gain
"Phone In"-6 val phone_dial_tone_gain
"Phone In" -6 Sets the gain of the dial tone heard in the room for the
phone associated with the virtual channel "Phone In" to
-6dB when the phone is taken offhook. Note that the
phone in virtual channel name must be used, not the
phone output virtual channel name.
Argument Argument value
Channel Type Virtual Channel
Value Type Floating-Point
Read/Write Mode Read/Write
Phys Chans Analog Telephony Input
Virt Chans Mono, Stereo
System Limits Minimum: -20.0, Maximum: 20.0, Resolution: 0.1
Default 0.0
User Limits
Supported No