In this case, I copied SCCP45.9-2-1S which was the default device firmware for the 79 phones. Log into CUCM, navigate to Device Settings -> Device Defaults -> Ĭopy and paste the current value of the default firmware into Notepad or Evernote or whatever program you use that helps keep you from losing stuff. Now before you go off installing firmware files, there is one crucial step I would always recommend: I typically use FreeFTPd, but use whatever sFTP client you are comfortable with. Save the file to your sFTP directory and launch your sFTP client. There are just a few simple steps and gotchas to watch out for to get this firmware up and running on these phones.įirst, hop on over to and download the firmware files for CUCM.
Say for example you’ve received a batch of those 7945 or 7965 phones that only support 9.3(1)SR1* and you aren’t running that version of firmware on your CUCM yet. Occasionally in voice world you are required to update firmware for just certain phone types and not others.
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