Use the Anat window to set Alternative Network Address Types (ANAT) options when the media address type is set to IPv4 and IPv6.

To View and Edit ANAT Parameters

On the SBC main screen, navigate to All > Address Context > Zone > SIP Trunk Group > Media > Anat. The Anat window is displayed.

Use the drop-down boxes to select the desired Address Context, Zone, and SIP Trunk Group.

The Edit Anat window is displayed.

SIP Trunk Advanced - SIP Trunk Media Advanced Early Media

 


The following fields are displayed:

Media - Anat Parameters

Parameter

Description

 Offer Preference Offer version precedence when the SDP method is ANAT. The options are:
  • Match Sig Addr Type (default) – Select this option to match the address type (IPv4 or IPv6) used for signaling.
  • IPv4
  • IPv6

Note: This flag is visible only when IPv4 and IPv6 is chosen as the values for the option, Media Addr Type under Media.

 Answer Preference

Answer version precedence when the SDP method is ANAT. The options are:

  • Match Sig Addr Type (default) – 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 IPv4 and IPv6 is chosen as the values for the option, Media Addr Type under Media.


Make the required changes and click Save at the right hand bottom of the panel to save the changes made.

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