Use the Anat window to set Alternative Network Address Types (ANAT) options when the media address 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.
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 Address Context, Zone, and Sip SIP Trunk Group.
The Edit Anatwindow is displayed.
| Caption |
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| 0 | Figure |
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| 1 | Sip SIP Trunk Advanced - SIP Trunk Media Advanced Early Media |
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 Image Modified |
The following fields are displayed:
| Caption |
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| 0 | Table |
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| 1 | Media - Anat Parameters |
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Parameter | Description |
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| Offer Offer Preference | Offer version precedence when the SDP method is ANAT. The options are:- matchSigAddrType Match Sig Addr Type (default)
iPv4iPv6iPv4andiPv6
| Note |
|---|
- – Select this option to match the address type (IPv4 or IPv6) used for signaling.
- IPv4
- IPv6
Note: This flag is visible only when iPv4andiPv6 IPv4 and IPv6 is chosen as the values for the flagoption, Media Addr Type under Media. | | Answer Answer Preference | Answer Answer version precedence when the SDP method is ANAT. The options are: - matchSigAddrType Match Sig Addr Type (default)
iPv4iPv6iPv4andiPv6
| Note |
|---|
- – Select this option to match the address type (IPv4 or IPv6) used for signaling.
- IPv4
- IPv6
- Honor Recv Prec - Select this option to choose the first received IP version in the SDP answer within ANAT address format.
Note: This flag is visible only when iPv4andiPv6 IPv4 and IPv6 is chosen as the values for the flagoption, 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.