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How do I Upgrade the Firmware on a Cisco/Sipura SPA942/SPA962 using TFTP?

Obtain the latest firmware for your device from Cisco Support at http://www.cisco.com/support
Extract the archive and copy the [filename].bin file to be called spa.bin and place it in your TFTP servers' root directory
In a web browser on the same LAN as the phone visit http://[PHONE IP ADDRESS]/upgrade?tftp://[TFTP SERVER IP]/spa.bin
Do not power cycle/reboot the phone it will automatically reboot once the firmware has been updated

Please note the filename must be named spa.bin otherwise the upgrade will fail.

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