Polycom SoundStructure C16 Design Manual page 570

Design Guide for the Polycom SoundStructure C16, C12, C8, and SR12
A - 54
Argument Argument value
Virt Chans Mono
Default 1
Event Source No
Description
This parameter enables or disables ring tone generation for the telephony
interface. If ring tones are enabled (1), then a ring tone is played whenever
there is an incoming ring signal on the telephony interface.
phone_tone_gain
Argument Argument value
Channel Type Virtual Channel
Value Type Floating-Point
Read/Write Mode Read/Write
Phys Chans Analog Telephony Input, VoIP Telephony Input
Virt Chans Mono, Stereo
System Limits Minimum: -20.0, Maximum: 20.0, Resolution: 0.1
Default 0.0
User Limits No
Supported
Event Source No
Description
This parameter sets the gain (in dB) applied to tones generated to the local
room. In particular, this gain applies to the ring tone, entry tone, and exit tone.
To adjust the level of the DTMF digits played back to the local room, use the
phone_dtmf_gain parameter.
pstn_auto_hangup_loop_en
PSTN Interface
Argument Argument value
Channel Type Virtual Channel
Value Type Boolean
Read/Write Mode Read/Write
Telephony Input Tone Gain
Enable Auto-Hangup On Loop Drop For