Version 7.0 933 Mediant 3000
User's Manual 58. Configuration Parameters Reference
Parameter Description
rtcp-act-mode
[RTCPActivationMode]
Disables RTCP traffic when there is no RTP traffic. This feature is
useful, for example, to stop RTCP traffic that is typically sent when
calls are put on hold (by an INVITE with 'a=inactive' in the SDP).
 [0] Active Always = (Default) RTCP is active even during inactive
RTP periods, i.e., when the media is in 'recvonly' or 'inactive'
mode.
 [1] Inactive Only If RTP Inactive = No RTCP is sent when RTP is
inactive.
Note: The parameter is applicable only to Gateway calls (not SBC).
RTP Control Protocol Extended Reports (RTCP XR) Parameters
Enable RTCP XR
[VQMonEnable]
Enables voice quality monitoring and RTCP XR, according to RFC
3611.
 [0] Disable (default)
 [1] Enable Fully = Calculates voice quality metrics, uses them
for QoE calculations, reports them to SEM (if configured), and
sends them to remote side using RTCP XR.
 [2] Enable Calculation Only = Calculates voice quality metrics,
uses them for QoE calculations, reports them to SEM (if
configured), but does not send them to remote side using RTCP
XR.
Note: For the parameter to take effect, a device reset is required.
Minimum Gap Size
[VQMonGMin]
Defines the voice quality monitoring - minimum gap size (number of
frames).
The default is 16.
Burst Threshold
[VQMonBurstHR]
Defines the voice quality monitoring - excessive burst alert
threshold.
The default is -1 (i.e., no alerts are issued).
Delay Threshold
[VQMonDelayTHR]
Defines the voice quality monitoring - excessive delay alert
threshold.
The default is -1 (i.e., no alerts are issued).
R-Value Delay Threshold
[VQMonEOCRValTHR]
Defines the voice quality monitoring - end of call low quality alert
threshold.
The default is -1 (i.e., no alerts are issued).
RTCP XR Packet Interval
[RTCPInterval]
Defines the time interval (in msec) between adjacent RTCP XR
reports. This interval starts from call establishment. Thus, the
device can send RTCP XR reports during the call, in addition to at
the end of the call. If the duration of the call is shorter than this
interval, RTCP XR is sent only at the end of the call.
The valid value range is 0 to 65,535. The default is 5,000.
Disable RTCP XR Interval
Randomization
[DisableRTCPRandomize]
Determines whether RTCP report intervals are randomized or
whether each report interval accords exactly to the parameter
RTCPInterval.
 [0] Disable = (Default) Randomize
 [1] Enable = No Randomize
[RTCPXRESCTransportType]
Defines the transport layer used for outgoing SIP dialogs initiated
by the device to the RTCP XR Collection Server.
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