Start Updating phone loads in 2811

Updating phone loads in 2811

You should also bear in mind that this content may contain text and references which are no longer applicable as a result of changes in law, regulation and/or administration.

We have decided to discontinue the availability of the form because of its low usage.

Once you have upgraded to version 8.5(2), you can upgrade your IP Phone to version 8.5(2)SR1 or later.

So, assuming you're using CUCM, you can approach this several ways.

If you are still unable to connect, this may indicate an issue related to the network environment or wireless router being used.

and as a result you may encounter hyperlinks which no longer function.

This FAQ assumes that your router is able to boot up normally.

When your router is unable to boot up normally, please scroll down to the bottom of the page for suggestions.* Under any circumstances, DO NOT delete working IOS image off the flash memory unless the image has been backed up to server (TFTP or FTP server) or you have working IOS image stored in the server.

I had read about the new Cisco IOS warm upgrade and warm reload features, and I took this opportunity to test them out.