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G726-32 Dynamic Payload Type
Opus Payload Type
DTMF
DTMF Payload Type
Enable Audio RED with FEC
Audio FEC Payload Type
Audio RED Payload Type
Silence Suppression
Voice Frames Per TX
RTP Settings
SRTP Mode
payload dynamic is dynamic. The default
setting is "2".
Specifies the G726-32 payload type, and
the valid range is 96 to 126. The default
setting is "126".
Defines the desired value (96-126) for the
payload type of the Opus codec. The
default value is 123.
Specifies the mechanism to transmit
DTMF (Dual Tone Multi-Frequency)
signals.
There are 3 supported modes: in audio,
RFC2833, or SIP INFO.
• In audio, which means DTMF is
combined in the audio signal (not very
reliable with low-bit-rate codecs);
• RFC2833, which means to specify
DTMF with RTP packet. Users could
know the packet is DTMF in the RTP
header as well as the type of DTMF.
• SIP INFO, which uses SIP INFO to
carry DTMF. The defect of this mode is
that it's easy to cause desynchronized of
DTMF and media packet if the SIP and
RTP messages are required to be
transmitted respectively.
The default setting is "RFC2833".
Configures the RTP payload type that
indicates the transmitted packet contains
DTMF digits. Valid range is from 96 to
127. Default value is 101.
If set to "Yes", FEC will be enabled for
audio call. The default setting is "No".
Configures audio FEC payload type. The
valid range is from 96 to 127.
The default value is 121.
Configures audio RED payload type. The
valid range is from 96 to 127. The default
value is 124.
Enables the silence suppression/VAD
feature. If it is set to "Yes", when silence
is detected, a small quantity of VAD
packets (instead of audio packets) will be
sent during the period of no talking. If set
to "No", this feature is disabled. The
default setting is "No".
Configures the number of voice frames
transmitted per packet. When configuring
this, it should be noted that the "ptime"
value for the SDP will change with
different configurations here. This value is
related to the codec used and the actual
frames transmitted during the in-payload
call. For end users, it is recommended to
use the default setting, as incorrect settings
may influence the audio quality.
The default setting is 2.
Sets if the device will enable the SRTP
(Secured RTP) mode. It can be selected
from dropdown list:
Disable
Enabled but not forced
Enabled and forced
SRTP uses encryption and authentication
to minimize the risk of denial of service.
(DoS). If the server allows to use both
RTP and SRTP, it should be configured as
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