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On the SBC main screen, go to All > Address Context > Zone >SIP Trunk Group > Media > Ice or 
Configuration > System Provisioning > Category: Trunk Provisioning > Trunk Group > SIP Trunk Group > SIP Trunk Advanced > SIP Trunk - Media - Advanced > Ice

. The Ice window is displayed.

Info
titleNote

The ICE parameters are displayed only when the parameter  Media Addr Type for the SIP Trunk Group trunk group is defined as IPv4 and IPv6 and NAT Traversal Ice Support is selected on the corresponding SIP Trunk Grouptrunk group.

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

The Edit Ice window is displayed.

Caption
0Figure
1Advanced Media - Ice Window

The following parameters are displayed:

Caption
0Table
1SIP Trunk Group - Media - Ice ICE parameters

Parameter

Description

Offer Preference

This parameter specifies the offer version precedence when the SDP method is ICE. The options are:

  • IPv4
  • IPv6
  • Match Sig Addr Type (default) – Select this option to match the address type (IPv4 or IPv6) used for signaling.
Answer Preference

This parameter specifies the answer version precedence when the SDP method is ICE. The options are:

  • Honor Recv Prec  – Received IP version that appears in the default c-line and in the candidate line in the SDP.
  • IPv4
  • IPv6
  • Match Sig Addr Type (default) – Select this option to match the address type (IPv4 or IPv6) used for signaling.

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