Avaya 9601 Administering page 133

been moved successfully to the secondary SM. The only user options are to navigate to the
Phone screen by pressing the OK softkey or the Phone button or hang up the call.
• When failing over to a third party secondary controller, an Acquiring Services screen displays
during failover and failback transitions to an active controller and a Call Preservation message
window may display for deskphones running SIP software Release 2.6 or greater. Most other
screens and applications except for CRAFT screens are unavailable until an active controller is
found. However, the user can navigate to the Contacts, Call Forward feature, Avaya (A) Menu
or Call Log applications (if administered). Pressing the Phone button causes the user to be
redirected to the Home Screen (if one is administered).
• If a call is active when failover occurs, that call will remain active. The user cannot initiate new
calls while the phone transitions to the alternate server.
• With SIP software Release 2.6 and later releases for failover to secondary controller for
alternate registration, the user can access Contacts, the Call Forward button, Call Log,
standard Avaya menu or Home Screen applications if administered. The user cannot make
calls in these applications.
• Certain softkeys do not display and their related functions are unavailable.
• Call appearance information does not display while dialing, but does appear when Call is
pressed.
• Call connection may take longer than usual.
• Upon failover, any calls in the process of being transferred and any held calls will be dropped.
• Emergency calls may or may not work, depending on the stage of failover and the functionality
available on the alternate server.
• Bridged call appearances are not available. Despite a "Log Bridged Calls" option setting of yes,
bridged calls are not logged during failover.
• During the transition stage, incoming calls may not be received and may go to voice mail.
• Call forwarding may not be available unless the extension to which calls are being forwarded is
on the same server as the forwarding extension.
• The Message Waiting Indicator is cleared, but voice mail may still be available, if the voice mail
server to which calls are being sent is not in failover.
• Advanced features like Call Park/Unpark, Priority Call, or Automatic Callback are not available.
Most features on the Feature menu will not be available. Favorite features are not available
during failover.
• Once the transition to a new server has occurred, changes to Avaya (A) Menu options can be
made/saved during failover. Note that any new or changed settings for these options will
become effective when the phone fails back to its original server.
• If the phone operates under the latest software (Release 2.5 or greater), Contacts can be
accessed and changed during and after failover to the alternate server.
• If the phone operates under the latest software (Release 2.5 or greater), the end user can
access Home Screen Web links/pages during failover, however, any "click to dial" links will not
work until the phone transitions to the alternate server.
August 2015 Administering Avaya 9601/9608/9611G/9621G/9641G/9641GS IP Deskphones SIP
Comments on this document? infodev@avaya.com
Controller Determination and Survivability Activity
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