Use the Anat window to set Alternative Network Address Types (ANAT) options for a specific SIP trunk group whose the media address type is set to IPv4 and IPv6.
On the SBC main screen, navigate to All > Address Context > Zone > SIP Trunk Group > Media > Anat or
Configuration > System Provisioning > Category: Trunk Provisioning > Trunk Group > SIP Trunk Group > SIP Trunk Advanced > SIP Trunk - Media - Advanced > Media > Anat
Use the drop-down boxes to select the specific Address Context, Zone, and SIP Trunk Group you want to configure.
The Edit Anat window opens.
SIP Trunk Group - Advanced Media - Anat Window
Use the following table to change the values as needed and then click Save.
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. |