Guide to update the Cisco Phone Firmware via CME（guidebook）

Guide to update the Cisco Phone Firmware via CME（guidebook）

Guide to update the firmware:

Step 1, Download the Firmware 1) Download it via by 2) Find the related the phone module , and then download the SCCP/SIP fireware, normally the phone will be worked as the SCCP,3) The firmware since 9.0 the file extension will be changed as following show:

Step2, copy firmware into CME router via TFTPRun command: copy tftp flash: Commits: Please copy all the file (all extension) into the flash.

Step3, configure CME as tftp-server to make the Phone download the firmware: Run the command: tftp-server flash: with all the extension For instance: tftp-server flash:BOOT69xx.0-0-0-14.zz.sgn

Step4, configure the 6921 load the firmware Run the command: telephony-service load 6921 SCCP69xx.9-4-1-3SR3 create cnf-files

step 5, troubleshooting run commands: show ephone phone-load debug tftp events show log

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