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108 Administration and maintenance
Lock the system
Always lock the WLAN IP Telephony Manager 2245 in the SVP-II
Configuration screen before updating the software. Locking the WLAN IP
Telephony Manager 2245 prevents new calls from starting.
Reset the WLAN IP Telephony Manager 2245 after the update is
complete.
ATTENTION
All calls in progress are terminated when the WLAN IP Telephony Manager
2245 is reset.
Update software on the WLAN Application Gateway 2246
For information about updating the software on the optional WLAN
Application Gateway 2246, see Appendix A “Software” (page 161).
Update software on a wireless handset
With the WLAN system, you can perform over-the-air transfer of software
updates from the designated TFTP Server to the wireless handsets.
The downloader function in the wireless handset checks its software
version every time the wireless handset is turned on. If there is any
difference in the software version, the wireless handset immediately begins
to download the update.
On a clear 802.11a/b/g channel, the download process takes one minute
or less to complete.
If the TFTP Server cannot be reached at the time the wireless handset is
powered on, resets, or comes back into a WLAN service area, the wireless
handset tries a few times to contact the TFTP Server, and then gives up
and uses the existing software.
If more wireless handsets are requesting TFTP service than the TFTP
Server has ports available, or if the TFTP Server is unreachable or
unavailable, the wireless handsets try a few times to reach the TFTP
Server, and then continues to use the existing software. In other words,
it is not possible to guarantee that a wireless handset is using the latest
software.
For example, it is not possible to guarantee that all wireless handsets are
upgraded as a result of an isetResetAll command. To verify that a wireless
handset is running the intended version of software, use the isetShow
command to determine the software version.
Nortel Communication Server 1000
WLAN IP Telephony Installation and Commissioning
NN43001-504 03.04 Standard
23 September 2008
Copyright © 2004–2008 Nortel Networks
.