I’m using a Cisco UC520 with Cisco Phone 7975 and 7945.
Step One: Create Your Images.
I use Photoshop CS4, but any photo editing software should do.
The images need to be 320 x 212 and saved in PNG format. I found that all the different was Photoshop saves PNGs tended to work. (Save for Web… vs Save As…) I used the PNG-24 format on Save For Web…
The key is… save is as a PNG and don’t get too hung up on all of the color density gobbledy gook they talk about on the Cisco website.
Now create thumbnails for these images by resizing each image to 80×53. It doesn’t matter what filename you use, just keep it consistent.
Just for reference, here are a few of the backgrounds I used:
Step Two: Transfer the Files to the UC520.
Now, get a TFTP server running on your local PC and put all of the PNG files into the TFTP directory. Since I use a Mac, I use the TFTP Server GUI found here.
Once the server is up and running, log into your UC520 Command Line.
Go into the “flash:Desktops/” Directory by typing # cd flash:Desktops/
This will print out a list of all of the desktop image files in your system.
Directory of flash:/Desktops/
130 drw- 0 Jan 10 2009 03:21:46 -06:00 320x212x12
132 drw- 0 Jan 10 2009 03:21:48 -06:00 320x212x16
134 drw- 0 Jan 10 2009 03:21:48 -06:00 320x216x16
136 -rw- 131470 Jan 10 2009 03:21:50 -06:00 CampusNight.png
137 -rw- 80565 Jan 10 2009 03:21:50 -06:00 CiscoFountain.png
138 -rw- 8156 Jan 10 2009 03:21:52 -06:00 CiscoLogo.png
139 -rw- 138278 Jan 10 2009 03:21:52 -06:00 Fountain.png
140 -rw- 109076 Jan 10 2009 03:21:54 -06:00 MorroRock.png
141 -rw- 108087 Jan 10 2009 03:21:54 -06:00 NantucketFlowers.png
142 -rw- 10820 Jan 10 2009 03:21:56 -06:00 TN-CampusNight.png
143 -rw- 9657 Jan 10 2009 03:21:56 -06:00 TN-CiscoFountain.png
144 -rw- 2089 Jan 10 2009 03:21:56 -06:00 TN-CiscoLogo.png
145 -rw- 7953 Jan 10 2009 03:21:58 -06:00 TN-Fountain.png
146 -rw- 7274 Jan 10 2009 03:21:58 -06:00 TN-MorroRock.png
147 -rw- 9933 Jan 10 2009 03:21:58 -06:00 TN-NantucketFlowers.png
128184320 bytes total (21442560 bytes free)
The first three directories (320x212x12, etc…) contain a “List.xml” file. We’ll get to this file in a minute.
Upload your images by typing the command: # copy tftp:<filenameOfFile.png> flash:/Desktops/
It will then ask you what the IP address is of your TFTP server (this is your local PC’s IP address) and it will copy the file to the UC500.
Repeat this for the thumbnail file as well: # copy tftp:<filenameOfThumbnail.png> flash:/Desktops/
Step 3: Edit the List.xml file.
The List.xml files (located in the 320x212x12, 320x212x16, and 320x216x16) directories is an xml file that the phones read to know the location of the PNG files we just created. The XML file looks like this:
Downloading this list was tricky for me. First, I had to create a blank xml file in my TFTP directory (I called it List.xml) and make it world writable. (equivalent of chmod 777) This allows the TFTP server access to overwrite the file.
Step 4: Tell your UC500′s TFTP Server about the files
When I was figuring this out on my own, this was the step that I couldn’t figure out. It was NO WHERE in documentation that I could find.
I was going up to my phone, going into the Desktop Background chooser, and seeing empty spots where my pictures were supposed to be. The files were there, the XML was in place… WHY WASN’T IT WORKING!
Running debug commands to see the output of the TFTP traffic between the UC500 and Phones revealed that the phones were requesting the new graphics, but never getting them.
# terminal monitor
# debug tftp event
*Jul 31 04:19:07.484: TFTP: Looking for Desktops/320x216x16/List.xml
*Jul 31 04:19:07.564: TFTP: Opened flash:Desktops/320x216x16/List.xml, fd 10, size 916 for process 169
*Jul 31 04:19:07.568: TFTP: Finished flash:Desktops/320x216x16/List.xml, time 00:00:00 for process 169
*Jul 31 04:18:14.153: TFTP: Looking for /Desktops/IwoJimaThumb.png
*Jul 31 04:19:08.664: TFTP: Looking for /Desktops/TN-NantucketFlowers.png
*Jul 31 04:19:08.728: TFTP: Opened flash:/Desktops/TN-NantucketFlowers.png, fd 10, size 9933 for process 169
*Jul 31 04:19:08.768: TFTP: Finished flash:/Desktops/TN-NantucketFlowers.png, time 00:00:00 for process 169
I stumbled upon the solution in the documentation for uploading ring tones… and here it is…
I had not told the TFTP server of the UC500 it was OK to serve up those files. This config is stored in the running config of the UC.
So, take this with a grain of salt, your mileage may very, and don’t blame me if you break your pc.
I’ve got a Zotac ad04 with windows 8.1 pro on it hooked up to a TV via hdmi. It’s got an Intel X2 ssd with the latest firmware and Intel control center installed. It also has 8th ram.
A couple days ago, I got pissed at its poor performance and decided to put android x86 4.2 on it. Prior to this I wanted to update the bios, so I kept windows to do that.
After the successful update, I went into the bios to check some things and set the boot device to a USB stick. I noticed ahci was not on, so I turned it on. Then, just for giggles, I restarted back into Windows. It worked. I was expecting a bsod or driver failure or freeze. I hit ctrl alt del and logged in fine. The performance was 10 times better as well. Go figure.
TLDR: you can switch from ide to ahci in bios if you have Windows 8.1 and not have to reload the os or do anything at all really. Ymmv. Dbmiybypc.
I’m quite impressed by the fact the EFI made their Fiery controllers so easy to flash and made the tools, firmware, and instructions to do so readily available online. It’s a non printing consultant’s dream.
According to a confirmation by Microsoft late last night, a new zero day vulnerability has been found to affect every version of Internet Explorer. In other words—over a quarter of the entire browser market.
Firefox is still the least secure web browser, falls to four zero-day exploits at Pwn2Own http://www.extremetech.com/computing/178587-firefox-is-still-the-least-secure-web-browser-falls-to-four-zero-day-exploits-at-pwn2own via @extremetech
After wrestling with the new netgear modem/business gateway for the better part of 10 days, I’m finally 100% back online.
I can confirm that the Netgear cg3000dcr does indeed work with an ASA 5505 running 9.1(2) AND I’m able to assign all 5 of my static IP addresses with the ASA doing all the NAT. You’ve just got to get someone at Comcast to properly put the modem in bridge mode. It’s more than one step / check box on their end. You cannot do it. They have to, because the cusadmin account doesn’t have the requisite web GUI parts available.