Polycom SoundStructure C16 Design Manual page 564

Design Guide for the Polycom SoundStructure C16, C12, C8, and SR12
Command
set phone_dtmf_gain
"Phone In"-6
A - 48
Argument
Default
User Limits
Supported
Event Source
Description
This parameter sets the gain (in dB) applied to DTMF tones generated to the
local room. To adjust the level of ring tones, entry tones, and exit tones played
back into the local room, use the phone_tone_gain parameter.
Examples
Response
val phone_dtmf_gain
"Phone In" -6
phone_entry_tone_en
Argument
Channel Type
Value Type
Read/Write Mode
Phys Chans
Virt Chans
Default
Event Source
Description
This parameter enables or disables entry tone generation for the telephony
interface. If entry tones are enabled (1), then an entry tone is played whenever
the auto-answer feature engages and connects the telephony interface. Entry
tones and exit tones (see the phone_exit_tone_en parameter) are typically
enabled to prevent a caller from entering or exiting a conference unannounced.
Argument value
0.0
No
No
Description
Sets the level of the dtmf digits that are heard in the local
room from the phone interface associated with the virtual
channel "Phone In" to -6dB. Note that the phone in virtual
channel name must be used, not the phone output virtual
channel name.
Enable Entry Tones for Telephony Interface
Argument value
Virtual Channel
Boolean
Read/Write
Analog Telephony Input, VoIP Telephony Input
Mono
1
No