Telephony Input Tone
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.
Enable Auto-Hangup On Loop Drop For PSTN Interface —
pstn_auto_hangup_loop_en
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
Event Source
No
Description
This parameter enables (1) or disables (0) the auto-hangup on loop drop feature for the PSTN interface.
Polycom, Inc.
Gain—phone_tone_gain
585