Session Manager automatically runs an audit process to ensure the existence of entity links between Session Manager instances and the associated peer SIP entities. Based on the audit process:
If there are no Entity Links between the peer SIP entity and either of the Session Manager instances in the Failover Group, the system displays an error message that the Entity Links must be added in order to perform the operation.
If there is an Entity Link between the SIP entity (for TCP or TLS) and only one of the Failover Group Session Manager instances, the system displays a message that a trusted Entity Link will be added between the SIP Entity and the other Session Manager before the operation can be completed.
If none of the Entity Links between the SIP Entity and Failover Group Session Manager instances are trusted or do not use the Failover listen port of Session Manager as the Session Manager listen port, the system displays a message that these Entity Links will be updated before the operation can be completed.