Inband DTMF Tx Gain
Adjusts the transmit gain for inband Dual-Tone Multi-Frequency (DTMF) tones during call signaling.
The Valid range is -12-12 db, default is 0
DSP DTMF Detector Duration
Threshold
Allows users to cong the DSP DTMF Detector Duration Threshold.
The default Duration is 30 ms. Valid range: 20-2000 ms.
The default Inter-duration is 30 ms. Valid range: 20-2000 ms.
DSP DTMF Detector Min Level
Determines the minimum level of DTMF tones that the DSP DTMF detector can reliably detect, range is -45-0
dBm, default is -25
DSP DTMF Detector Snr
Sets the signal-to-noise ratio threshold for the DSP DTMF detector, determining the sensitivity to distinguish
DTMF tones from background noise in the audio signal.
Range: 0-12, default is 1
DSP DTMF Detector Deviation
Species the allowed frequency deviation from standard DTMF tones that the DSP DTMF detector can
accommodate.
Range: 0-25, default is 25
DSP DTMF Detector Twist
Denes the maximum deviation from ideal tone frequencies allowed for reliable DTMF detection by the DSP.
Range: 0-12dB, default is 5
Disable DTMF Negotiation Uses DTMF order without negotiation. Default is No.
RFC2833 Events Count This feature allows users to customize the count of RFC2833 events. Default is 8.
RFC2833 End Events Count This feature allows users to customize the count of RFC2833 end events. Default is 3.
Preferred Vocoder
Preferred Vocoder(in listed order)
Congures vocoders in a preference list (up to 8 preferred vocoders) that will be included with same order in
SDP message. Vocoder types are G.711 A-/U-law, G.726-32, G.723, G.729, iLBC and OPUS
Voice Frames per TX
Transmits a specic number of voice frames per packet. Default is 2; increases to 10/20/32/64 for
G711/G726/G723/other codecs respectively.
G723 Rate
Operates at specied encoding rate for G.723 vocoder. Available encoding rates are 6.3kbps or 5.3kbps.
Default is 6.3kbps.
iLBC Frame Size Species iLBC packet frame size (20ms or 30ms). Default is 20ms.
Disable OPUS Stereo in SDP Disables OPUS stereo in SDP. Default is No.
iLBC Payload Type
Determines payload type for iLBC. Valid range is between 96 and 127.
Default is 97.
OPUS Payload Type Determines payload type for OPUS. Valid range is between 96 and 127. Default is 123.
Enable Audio RED with FEC
Enables the use of audio redundancy (RED) with forward error correction (FEC) to enhance audio quality and
resilience against packet loss in real-time communication systems such as VoIP
Audio FEC Payload Type
Species the payload type used for transmitting audio forward error correction (FEC) packets in a VoIP
system.
Audio RED Payload Type Denes the payload type assigned to audio redundancy (RED) packets in a VoIP system.
VAD Allows detecting the absence of audio and conserves bandwidth by preventing the transmission of “silent
packets” over the network.
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