Administering Avaya Session Border Controller

Checklist for configuring Avaya SBC for Call preservation

Last Updated : Sep 01, 2026 |

Prolog information

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No.	Task	Reference
1	Create an FGDN group and add FGDNs administered in Session Manager.	Creating FGDN groups
2	Enable FGDN configuration for every Session Manager in the FGDN group. Ensure that all instances of Session Manager in the FGDN group have heartbeat configuration.	Creating FGDN groups
3	Create a routing rule with an FGDN from the FGDN group as the next hop address.	Creating a routing rule for Call preservation
4	Add the routing rule to the trunk server flow.	Creating a routing rule for Call preservation
5	Change the interworking profile of Session Manager instances in the FGDN to set the Transaction Expire time to 4 seconds.	Creating a routing rule for Call preservation
6	Administer DNS SRV for FGDN routing in the DNS server.

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