Polycom SoundStructure C16 Design Manual page 392

Design Guide for the Polycom SoundStructure C16, C12, C8, and SR12
A - 50
Argument Argument value
Virt Chans Mono, Stereo
System Limits Minimum: -20.0, Maximum: 20.0, Resolution: 0.1
Default 0.0
User Limits No
Supported
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 Enable Auto-Hangup On Loop Drop For PSTN
Interface
Argument Argument value
Channel Type Virtual Channel
Value Type Boolean
Read/Write Mode Read/Write
Phys Chans Analog Telephony Output
Virt Chans Mono
Default 0
Description
This parameter enables (1) or disables (0) the auto-hangup on loop drop
feature for the PSTN interface.
pstn_country Country For PSTN Interface
Argument Argument value
Channel Type Virtual Channel
Value Type List
Read/Write Mode Read/Write
Phys Chans Analog Telephony Output
Virt Chans Mono