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AUTH2vnarayan
APPRJIDSBX-28998
AUTH1pmohan
DEV2sgibbard
DEV1rseth
LDEV1sgardell
SVT1rparampalli
LSVT1radaikalam
AUTHJIDSBX-28998

 

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Use the Ice window to set ICE parameters for a SIP trunk group. Interactive Connectivity Establishment (ICE) is a protocol for Network Address Translator (NAT) traversal for multimedia sessions established with the offer/answer model. ICE uses the Session Traversal Utilities for NAT (STUN) protocol and its extension that is, Traversal Using Relay NAT (TURN). ICE uses STUN and TURN servers to overcome network address translation issues that can occur when an endpoint is situated behind a NAT device.

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Info
title
Note

This section controls only the IP type (IPv4 and IPv6) negotiations in the ICE protocol. Enable Ice Support on Services - Nat NAT Traversal for SBC to consider ICE processing on a call leg.


To View and Edit

...

ICE IP Address Type Negotiation Preference

On the SBC main screen, go to All > Address Context > Zone >Sip 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.

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titleNote

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

The Ice 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 Ice window is displayed.

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1Advanced Media - Ice Window

The following parameters are displayed:

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1Sip SIP 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 (default)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 (default)
    IPv4 or IPv6) used for signaling.

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