Specifications

Failover ShoreWare Server Release Notes
Page 90
resources are available, ShoreWare searches the site and its ascendant sites until a dormant
spare switch is identified. The spare switch is assigned to the site requiring the resource,
after which a call manager resource is assigned to the IP Phone performing the failover.
Active spare switches only service IP Phones that failover from losing call manager
resources. Other switch resources are unavailable including analog extensions, trunks,
media proxy, make-me conference ports, and music on hold. Office Anywhere extensions
may be created on the switch.
Implementation
Spare Switches
Spare switches provide replacement IP phone capacity for failed switches in the site and
descendant sites. When activated, the spare switch is moved to the site of the failed switch.
Users configure switches as a spare through Director. Spare switch resources are not
allocated during configuration. Each spare is assigned to a home site and can be used from
any descendants of the home site. The entire capacity of the switch is available for MGCP
and SIP extension at the site to which it is assigned through a Failover operation.
ShoreGear switches that can be configured as spares include:
• ShoreGear 120/24
• ShoreGear 40/8
• ShoreGear 60/12
• ShoreGear 50
• ShoreGear 90
• ShoreGear 220T1
• ShoreGear 220E1
• ShoreGear 90BRI
• ShoreGear 220T1A
• ShoreGear 30
• ShoreGear 30BRI
Voicemail Model switches cannot be configured as spare switches.
Spare switches cannot change languages when they are activated. Language
incompatibilities are denoted with an Firmware upgrade available message when a switch
is configured into a site with a different language.
Established calls survive the failover process when a spare switch is required.
Spare Switch Failover
Switches are returned to spare status through Director when the user has sufficient IP
phone capacity to support the devices that the spare switch is servicing. IP phones
managed by the switch are moved to other switches at the site when the spare switch fails
back.
If the site does not have sufficient capacity to cover IP phones after a failback operation, the
spare switch performs another failover.
Failback
Failback is the operation that restores the spare switch to reserved status. Spare switch
failback is manually performed through Director; automatic failback of spare switches is
not supported.