Web User Interface
Phone User Interface
Enables/Disables the status polling of primary SBC's if the phone has been failed over to the backup SBC's.
Not recommended due to additional traffic.
If enabled the phone will send Option Requests within the account_health_check to the primary SBC. Any SIP Response
will be taken as host is available again and the entry will then change to quarantine state. If the quarantine
period timer finally fires, it will trigger a reregistration of all accounts to the primary SBC again.
The following settings configure the timing and show their default values (all in seconds):
The value of dirty_host_ttl needs to be chosen "large enough", lets say a couple of hours or something similiar.
The SIP Options resend time is then calculated as
The same algorithm is used for the quarantine_period of the primary SBC, except that the static and max times are adjustable: