Avaya Nortel Communication Server 1000 Manual page 83

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Feature interactions
Active Call Failover for IP Phones
The Active Call Failover feature handles cases when an IP Phone registers
with an active RTP stream (has a call active at the time of registration).
The check of IP Phone firmware is skipped in this case, and the IP Phone
registers with the LTPS.
The Active Call Failover scenario is the same as the postponed firmware
upgrade scenario described in
download scenarios" (page
start the firmware upgrade.
For more information about Active Call Failover for IP Phones, see
Call Failover for IP Phones" (page
System view
IP Phone firmware upgrades
Each IP Phone registering with the LTPS is queried for its firmware ID and
IT_TYPE. The system response depends on the results of the query. See
Table 19 "System response" (page
Table 19
System response
Query result
LTPS software supports the reported IT_TYPE
(see Table 20 "Supported IT_TYPES" (page
and the Upgrade Manager has firmware for the
given firmware ID.
LTPS software supports the reported IT_TYPE,
but the Upgrade Manager has no firmware for
the given firmware ID.
Copyright © 2003–2008, Nortel Networks
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Enhanced UNIStim Firmware Download for IP Phones 83
instead of the firmwareFileGet command bypasses the other
features and is therefore not supported.
Firmware retrieval mechanism described for the Branch Office LTPS
retrieves only firmware files it finds missing. It does not compare the
list of firmware on the Branch Office LTPS and Main Office LTPS to
determine whether the Branch Office has the latest firmware, or perform
any automatic compare and update operations. The Branch Office LTPS
only receives firmware files when the umsUpgradeAll command was
issued on the Main Office LTPS.
Nortel Communication Server 1000
IP Line Fundamentals
NN43100-500 02.02 Standard
Release 5.5 4 February 2008
Table 22 "IP Phone registration and
86). After the call ends, the user is prompted to
58).
83).
Response
Registration of the IP Phone continues. The IP
84)) Phone firmware upgrade is performed if possible.
Registration of the IP Phone continues with no
firmware download.
"Active