Avaya 9601 - Controller Determination and Survivability Activity; Determine Controllers to Monitor

controllers at the UI priority. Multiple UI entries are prioritized in the order in which they are
entered.
• If an entry is selected (by pressing the Select softkey when the entry is highlighted) a new
screen is shown which displays the parameter’s current values for server, transport type, and
port. In this screen all of the values can be edited. Once any of the values are edited the Save
softkey appears. If the Save softkey is pressed, the information is saved as follows.
- If the selected value originated from user input from the SIP proxy settings screen then the
changes will replace that original SIP controller entry.
- If the selected value originated from any other source, the entire list of configured controllers
is copied and saved as if they all originated from the SIP proxy settings screen.
• If the administrator clears the controllers in the setting file, the only way to clear the values that
are displayed on the SIP proxy screen that are downloaded from PPM is to clear the values on
the phone.
• If the administrator is at the Login screen and no controller has been set, a controller can be
set at the CRAFT (local administrative procedures) menu, as described in the Avaya one-X
™
Deskphone SIP Installation and Maintenance Guide for 9608, 9611G, 9621G, and 9641G
Deskphones (Document Number 16-603604). The user can log in successfully with a controller
at this point.
Related Links
Configuring survivability on page 125
Controller Determination and Survivability Activity
The deskphone performs controller determination and verification after a successful user login. The
deskphone then periodically performs failover checks. The steps are:
Related Links
Determine controllers to monitor on page 127
Determine which monitored controllers are available on page 128
Select the active controller on page 128
AST feature determination on page 130
PPM synchronization on page 131
Failover/failback behavior on page 131
Determine controllers to monitor
The list of controllers to monitor is built from the Configured Controller(s) list using the
SIPREGPOLICY parameter setting as a guide. The list of SIP Proxies/Registrars can be obtained
from the network DHCP servers, retrieved from the 46xxsettings file, retrieved from a PPM
(Personal Profile Manager), or configured via the phone’s UI (User Interface). Similarly, the
Controller Determination and Survivability Activity
August 2015 Administering Avaya 9601/9608/9611G/9621G/9641G/9641GS IP Deskphones SIP 127
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