Cisco 7912 IP Phones do not boot up

[lplanas]

I have some 7912 IP phones that do not end its boot process. They remain with both lights on without doing anything else.

[lfulgenzi · Accepted solution]

You might be running into this...

http://www.cisco.com/cgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsa72417&Submit=Search">

CSCsa72417 Bug Details: 7912 dies when configuring Graphics via TFTP on CCM 4.1

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[lplanas]

You are 100% right! Additional details provided by the Cisco engineer who spoke with me yesterday is that it is very important to check the load of the IP Phone. CP7912060000SCCP050124A is affected.