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Additional Configuration Notes (Upgrading from very old
Cisco SIP releases)
•There are incremental firmware steps required when upgrading from older
SIP/SCCP firmware releases (pre 5.3) to the currently supported 7.4 SIP firmware
release. For example, SCCP firmware version 5.0(4.0) to SIP 7.4 in this case.
•For additional details, you may choose to reference the “Cisco IP Phone 7960 and
7940 Firmware Upgrade Matrix” noted earlier in this document.
•Note, if you have statically configured the IP parameters for your 7960/7940 sets
(vs. using DHCP), these static values will be erased and have to be re-entered
during the first part of the upgrade process from your current pre 5.3 firmware to
5.3. When Upgrading from SIP 5.3 to SIP 7.4, the static parameters are retained,
however.