Use the Anat window to set Alternative Network Address Types (ANAT) options when for a specific SIP trunk group whose the media address type type is set to iPv4 IPv4 and iPv6IPv6.
To View and
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Edit ANAT Parameters
On the SBC main screen, navigate to All > Address Context > Zone > Sip SIP Trunk Group > Media > Anat. The Anat window is displayed. or
Configuration > System Provisioning > Category: Trunk Provisioning > Trunk Group > SIP Trunk Group > SIP Trunk Advanced > SIP Trunk - Media - Advanced > Media > Anat
The Anat can be checked for each Address Context, for each Zone, for each Sip Trunk Group created or for all the Address Contexts, Zones and Sip Trunk Groups created. Use the drop-down box boxes to select the desired specific Address Context, Zone, and Sip SIP Trunk Group you want to configure.
The Edit Anat window is displayedopens.
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| 0 | Figure |
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| 1 | Sip SIP Trunk Advanced Group - SIP Trunk Media Advanced Early Media - Anat Window |
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The following fields are displayed:Use the following table to change the values as needed and then click Save.
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| 0 | Table |
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| 1 | Media - Anat Parameters |
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| Offer version precedence when the SDP method is ANAT. The options are: |
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- Match Sig Addr Type (default) – Select this option to match the address type (IPv4 or IPv6) used for signaling.
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This flag is visible only when |
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IPv4 and IPv6 is chosen as the values for the |
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option, Media Addr Type under Media. |
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| Answer version precedence when the SDP method is ANAT. The options are: |
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- Match Sig Addr Type (default) – Select this option to match the address type (IPv4 or IPv6) used for signaling.
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- IPv6
- Honor Recv Prec - Select this option to choose the first received IP version in the SDP answer within ANAT address format.
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| This flag is visible only when |
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| IPv4 and IPv6 is chosen as the values for the |
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| option, Media Addr Type under Media. |
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Make the required changes and click Save at the right hand bottom of the panel to save the changes made.