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In this section:
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A SIP Filter
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profile is a collection of
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configurable filter settings
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for supported SIP headers. Depending on the filter
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setting for a header, the SBC either relays the SIP messages without parsing the header
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or parses the
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header.
For every SIP message associated with the ingress leg of the call, the SBC
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checks the
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filter setting for each known type of SIP header. If the filter setting
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for the header is set to Disabled (default), the header is parsed by the SBC. If a parsing error occurs, the SBC terminates a call. However, if the filter setting for a known header is set to Enabled, the SBC does not parses the header, even if parsing for the header is supported by the SBC. Additionally, all known filtered headers and unknown headers can be transparently relayed without parsing, if the unknown header transparency is Enabled in IP signaling profile.
A SIP Filter profile
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is not used for the egress leg of a call. The SIP header of the egress leg is populated on the basis of the configuration in the IP Signaling
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profile and the Transparency
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profile. For more information on Transparency Profile and SIP header transparency, refer to Transparency Profile and SBC SIP Transparency Implementation Guide respectively.
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To
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View SIP Filter
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Profiles
On the SBC main screen, navigate to All > Profiles > Signaling > SIP Filter Profile
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The SIP Filter Profile window
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opens.
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To Create a New SIP Filter Profile
To create a new SIP Filter Profile,
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first create and name the object on this window. After creating and saving the object, you must go to the SIP Filter Profile - Header window to specify the SIP header filter settings within the profile.
Click New SIP Filter Profile
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. The Create New SIP Filter Profile window
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opens.
Caption 0 Figure 1 Create New SIP Filter Profile window
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- Enter a name for the profile of up to 23 characters.
- Click Save.
- Go to the SIP Filter Profile - Header window to configure the profile to specify which SIP headers to filter
The parameters are described below:
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The name of a SIP Filter Profile cannot be edited. It is a "read only" field. However, a SIP Filter Profile can be deleted. |
To configure a SIP Filter Profile with a SIP Trunk Group
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PrerequisitesTo attach a SIP Filter Profile with an existing SIP Trunk Group, the prerequisites are as follows:
For details on accomplishing the prerequisite configurations from the EMA, refer to the following pages: |
On the SBC main screen, navigate to All > Address Context > Zone > SIP Trunk Group > Signaling.
The Signaling window is displayed. Select suitable values from the following drop-down lists:
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The chosen SIP Trunk Group is the one with which the SIP Filter Profile gets attached. |
The frame Edit Signaling is displayed. Find the SIP Filter Profile parameter, and from the adjacent drop-down list, select the name of an SIP Filter Profile which is attached.
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To Delete a SIP Filter Profile
To delete a SIP Filter
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profile:
- Click to select the
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- row of the SIP Filter profile you want to delete.
- Click the Delete icon (X) at the end of the row.
- Confirm the deletion when prompted.
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Click on the symbol at the extreme right of the selected row. The Delete sipFilterProfile message is displayed. Click Yes to confirm deletion.
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On successful deletion of the selected SIP Filter Profile, the Delete Successful message is displayed.
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Click Ok to complete the deletion process.
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