Avaya Nortel Communication Server 1000 Manual page 87

Scenario
Postponed firmware upgrade
Unknown firmware ID for known
IT_TYPE
Unknown IT_TYPE
Branch Office LTPS determines IP
Phone requires firmware upgrade
Copyright © 2003–2008, Nortel Networks
.
Enhanced UNIStim Firmware Download for IP Phones 87
Result
IP Phone displays message that IP Phone is connecting to
the LTPS.
IP Phone cannot download firmware. It is allowed to proceed
with registration using old firmware.
At the completion of call (if download resources are available),
IP Phone displays message Upgrade F/W now?
IP Phone displays Yes and No soft keys to use to select
choice. If Yes is selected, firmware download begins. If no
choice is made, IP Phone proceeds with firmware download
after timer expiration.
If No is selected, IP Phone display returns to idle state.
Off-hook dialing, on-hook dialing, and external events such as
an incoming call imply a No response.
IP Phone displays message that IP Phone is connecting to
the LTPS.
No firmware upgrade is performed, but IP Phone is allowed
to register.
IP Phone has no display. The IP Phone just resets
continuously.
IP Phone registration is not allowed.
Log message is sent to LTPS administrator.
IP Phone displays message that firmware download is
initiated.
IP Phone is placed into local mode.
Message is displayed until firmware is downloaded. IP Phone
upgrade process is initiated.
If firmware download is unsuccessful after 10 retries, IP
Phone remains in local mode.
Nortel Communication Server 1000
IP Line Fundamentals
NN43100-500 02.02 Standard
Release 5.5 4 February 2008