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In this section:

Table of Contents
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Include Page
RTCP_for_Media
RTCP_for_Media

Command Syntax

Code Block
languagenone
% set system media
	dedicatedBWForNonRTPMedia (0-50)
	mediaPeerInactivity
		inactivityTimeout <20-1260, in multiples of 10>
	mediaPortRange 
		baseUdpPort <1024-65534>
		maxUdpPort <1024-65534>
	mediaRtcpControl
		sendBYEPacket <disabled | enabled>
		senderReportInterval <5-120>
	tcpPortRange
		baseServerPort <1-65534>
		maxServerPort <1-65534>

Command Parameters

Caption
0Table
1System Media
 

Parameter

Length/Range

Description

dedicatedBWForNonRTPMedia

0-50

Use this control to specify (reserve) an amount, as a percentage, of bandwidth usage to limit across all physical interfaces for non-RTP media (default = 0).

Note
This feature only applies to TCP media traffic such as MSRP.

mediaPeerInactivity

N/A

Use this control to set detection of media peer inactivity (inactivityTimeout) which can be used in conjunction with packet loss rate parameter (packetLossThreshold) of Packet Service Profile. 

  • inactivityTimeout – (range: 20-1260 / default = 60)  Set RTP/RTCP inactivity timeout value (in seconds, in multiples of 10) to guard against loss of media connection. The timer is restarted whenever an RTP or RTCP packet is received from the peer.

 

  • When both RTP and RTCP are enabled, timeout will only occur if both packet types remain undetected for the configured inactivityTimeout duration. If RTCP is not enabled, then only the absence of RTP causes the timer to expire. .

Note
When using this feature, you must also set the "peerAbsenceAction" flag from Packet Service Profile (see Packet Service Profile - CLI).
Note

When mediaPeerInactivity is enabled (configured with an inactivityTimeout value), SBC detects media inactivity within the configured inactivity timeout value + X, and then executes the configured action (where the X is from 0 - 10 seconds).

mediaPortRange

N/A

Use this control to set the UDP media port range for RTP and RTCP.

  • baseUdpPort – Base UDP port number (inclusive) for RTP/RTCP media. (range: 1024-65534 / default = 1024).
  • maxUdpPort – Maximum UDP port number (inclusive) for RTP/RTCP media. (range: 1024-65534 / default = 65148).
Note
Ensure that SIP Signaling Port portNumber value is outside the configured mediaPortRange when transportProtocolsAllowed = "sip-udp". When mediaPortRange is configured, user is prompted to continue with the configuration.

mediaRtcpControl

N/A

Use this control

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to configure the RTCP session.

  • sendBYEPacket – Use this flag to choose whether or not to send RTCP BYE packet. 
    • disabled – Use this setting to suppress RTCP BYE packet in a pass-through scenario when RTCP terminationForPassthrough option is enabled and the call is not established. This setting is useful to avoid one-way audio when Dynamic LRBT and RTCP are in use at the same time.
    • enabled – When this flag is enabled, the SBC sends the RTCP BYE packet when a call is terminated. This command affects all calls configured with RTCP termination.
  • senderReportInterval – Use this value as the initial interval (in seconds) for SBC to generate sender/receiver report when RTCP is terminated on the SBC. (range: 5-120 / default = 5).

tcpPortRange

N/A

This port range is used by the SBC to advertise its TCP port on which it can accept connections. A unique unused port from this range will be included in the SDP media line in the offer or answer towards the MSRP UAs. SBC uses a port from this range per MSRP call leg if it takes up a TCP server role.

To create a TCP port range, use the baseServerPort and maxServerPort to specify the minimum and maximum values as described below.

  • baseServerPort – Base port number (inclusive) for TCP media server (range: 1-65534 / default = 1024).
  • maxServerPort – Maximum port number (inclusive) for TCP media server (range: 1-65534 / default = 65534).

Command Example

The following example sets inactivityTimeout value to 90, the baseUdpPort to 6000, the maxUdpPort number to 65200 and the senderReportInterval to 6 seconds and sendBYEPacket to enabled,

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plus sets the peerAbsenceAction parameter from

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packetServiceProfile object to send a trap if inactivity is detected.

Code Block
languagenone

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set system media mediaPeerInactivity inactivityTimeout 90

...

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set system media mediaPortRange baseUdpPort 6000 maxUdpPort 65100

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set system media mediaRtcpControl senderReportInterval 6
set system

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media mediaRtcpControl sendBYEPacket enabled
set profiles media packetServiceProfile DEFAULT peerAbsenceAction peerAbsenceTrap

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show system media  
mediaPortRange {
    baseUdpPort 6000;
    maxUdpPort  65200;
}
mediaPeerInactivity {
    inactivityTimeout 90;
}
mediaRtcpControl {
    senderReportInterval 6;

	sendBYEPaket enabled;
}