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The EMS uses the EMS CALEA user role for all LI
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configuration operations and the admin user
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for communicating over netconf to the SBC. The EMS creates the SBC CALEA user credentials automatically when
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an SBC registers to
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the EMS. Cloud SBC instances are registered dynamically in the EMS.
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A single CDC configuration is supported per cluster. |
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configure the Call Data Channel (CDC) for a cloud M-SBC instance:
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To create basic configuration for M-SBC:
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Under Network Mgmnt, click Cluster / VNF Management. The Cluster/VNF Management window is displayed.
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Create M-SBC cluster. For more information, see Creating an SBC SWe Cluster.
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Click Configurations tab.
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Click New Configuration. The New Configuration pane is displayed.
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Select the version of the configuration from the Version drop-down.
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Select an SBC Configurator instance from the Master Configurator drop-down.
This node is used to create the configuration. The SBC Configurator nodes are displayed based on the version selected. Only unlocked SBC Configurator nodes are listed.
Enter a name for the configuration in the Configuration Name field. The SBC configuration name can contain only letters, numbers, dashes (-), apostrophes ('), underscores (_), colons (:) and spaces.
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The cluster ID is set as the default name for the first configuration. You can modify the name. The name must be unique. The subsequent configurations are named with a combination of cluster name and some unique identifying information. The default name varies based on how the configuration is created. |
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Click Create. A circular progress bar is displayed against the Master Configurator node. It takes around six minutes to load master configuration.
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When the Master Configurator node is loaded, the Open Editor button is displayed next to the Master Configurator node.
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Click Open Editor. The SBC Configuration Manager window is displayed.
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Click Apply Saved Changes and Close. A circular progress bar is displayed.
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The configuration is saved on EMS SWe and the following window is displayed:
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For LI,
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CDC configuration is performed using the CDC Configuration Manager through EMS.
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You can
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create CDC information only
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when logged in as the EMS CALEA user from the EMS CDC configuration window.
Prerequisites
Enable calea
user. For information, see Enabling Lawful Intercept on EMS Standalone.
Procedure
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To configure a cluster CDC for cloud M-SBC nodes:
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Click the Cluster CDC tab. The Cluster CDC pane is displayed.
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Click Launch CDC Configuration Manager. The SBC Configuration Manager window is displayed.
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Create
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a call data channel for the M-SBC
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(Proceed to Creating Call Data Channel for M-SBC).
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The SBC SWe provides the ability to configure the IP address, TCP port, and other parameters used for communication towards the mediation server.
To create a new
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call data channel:
In the SBC Configuration Manager window, navigate to Configuration > Intercept > Call Data Channel. The Call Data Channel window is displayed.
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Select default from
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the Address Context drop-down menu. You can configure LI using the default Address Context only.
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Click New Call Data Channel. The Create New Call Data Channel window is displayed
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Name: Type the name of the call data channel.
Intercept Standard: Select packetcable from the drop-down menu.
Vendor ID: Select ss8 from the drop-down menu.
Media IP Interface
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Group Name: Select the name of the media IP interface group
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you want to use from the drop-down menu.
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Click Save.
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Click OK.
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After the
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call data channel is created, you must create
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mediation server objects associated with the
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call data channel. The CDC configuration supports
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up to eight
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mediation
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servers.
To create a mediation server object:
Navigate to Configuration > Intercept > Call Data Channel > Mediation Server. The Mediation Server window is displayed.
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Select default from the Address Context drop-down menu.
Select the Call Data Channel you created for the M-SBC from the drop-down menu.
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Click New Mediation Server. The Create New Mediation Server window is displayed.
Type
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a mediation server name in Msname.
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Click Save. The
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object is created successfully.
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You can repeat the steps to create up to eight mediation servers for the M-SBC.
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1 | Mediation Server List |
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This
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screen includes the LI Mediation Server TCP Media intercept parameters.
To view TCP parameters:
Navigate to Configuration > Intercept > Call Data Channel > Mediation Server > Media > TCP. The TCP window is displayed.
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Select default from the Address Context drop-down menu.
Select the Call Data Channel from the drop down menu.
Select the MediationServer from the drop-down menu. The configuration for the selected server opens.
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Use the following table to configure the server parameters.
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The mediation server parameters can only be updated when its State is Disabled and Mode is Out Of Service. |
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Select default from the Address Context drop-down menu.
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Select the Call Data Channel from the drop down menu.
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Select the Mediation Server from the drop-down menu.
Configure the required details.
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1 | Editing TCP - Out of Service |
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To activate a cluster configuration for SBC SWe:
admin
user.Select the M-SBC cluster for which the CDC configuration is created.
Click Configuration tab. The Configuration pane is displayed.
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Click Activate Configuration. The Activation in progress status is displayed. When the activation is completed, the nodes in the cluster are updated with the active configuration, the Configuration Status is displayed as Last update complete.
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Instantiate M-SBC instance by changing SBC Personality Type as msbc
for applying the LI configuration. For more information, see Instantiating Standalone Media SBC.
After activating the default configuration, if there is an update to the active configuration, the candidate configuration must be activated. For more information, see Partial Configuration on M-SBC.
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Click Apply Saved Changes and Close.
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Activate the CDC configuration. For more information, see Activating CDC Configuration for M-SBC.
Click Save at the top of the SBC Configuration Manager window when you have completed making configuration changes. When prompted, confirm that you want to save all your changes and push the configuration to all nodes in the cluster.
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To view mediation server media
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statistics:
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Click Cluster CDC tab. The Cluster CDC pane is displayed.
Click View Nodes. The nodes list in the cluster is displayed.
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Select the
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node to view the mediation server media status
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and click Launch Node LI Stats.
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The Mediation Server Media
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Status window is displayed.
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1 | Mediation Server Media Status Parameters |
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