Provisioning survivability for SIP Deskphones........................................................................ 125
Configuring survivability....................................................................................................... 125
Setting a controller via the user interface......................................................................... 126
Controller Determination and Survivability Activity.................................................................. 127
Determine controllers to monitor..................................................................................... 127
Determine which monitored controllers are available........................................................ 128
Select the active controller............................................................................................. 128
AST feature determination............................................................................................. 130
PPM synchronization..................................................................................................... 131
Failover/failback behavior............................................................................................... 131
About the user interface/failover experience.......................................................................... 134
User interface in failover/failback.................................................................................... 135
User experience during failover transition........................................................................ 135
User experience during stable failover............................................................................. 137
User experience during failback...................................................................................... 138
User interface failover operation for features.................................................................... 139
Contents
8 Administering Avaya 9601/9608/9611G/9621G/9641G/9641GS IP Deskphones SIP August 2015
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