Version and description:
The install program file name is cmterm-7912g.P009-3-3-5.exe and the firmware version within the install program is CP7912010200SCCP030918A.SBIN
Release notes for Cisco IP Phones
http://www.cisco.com/en/US/products/hw/phones/ps379/prod_release_notes_list.html
Installation Instructions:
Step 1: Copy the cmterm-7912g.P009-3-3-5.exe file to your hard drive. Make a note of the location where you save the downloaded file.
Step 2: Double-click the cmterm-7912g.P009-3-3-5.exe file and the installation starts.
Step 3: At the Welcome screen, click Next.
Step 4: At the License Agreement screen, click Yes.
Step 5: At the SQL Server Authentication screen, enter the login name and the password (by default the login name should be “sa”). Then click Next.
Step 6: After the installation is completed, click OK.
Step 7: Reset all the corresponding devices.
This executable file is to be run on the publisher and it will install one file:
CP7912010200SCCP[version].sbin
to the call manager's tftppath (c:\program files\cisco\tftppath)
After installation, open up call manager's administration web page
and go to system -> device default
You can verify the installation, by looking at "IP Phone 7912" and
enter the new load name in the corresponding box.
for example: CP7912010200SCCP030918A.sbin (in this case, the load
version is 0918a)
To downgrade to a previous firmware version:
Step 1: Go to the Cisco CallManager Administration web page.
Step 2: From the System menu select Device Default, and the Device Default Configuration page is displayed.
Step 3: Go to the IP Phone 7912 field and change it back to the previous firmware version.
Step 4: Click Update.
Step 5: After the page updates, you can reset the corresponding devices.
CSCec17080: 7912 - phone randomly resets
CSCec23630: Wrong ringback tone in network locale
CSCec03818: 7912 do not register when attached to 6500
CSCec20271: Display of translated number different depending on the phone
model
CSCec31298: Can not answer incoming call while phone is at Directory menu