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موضوع: How to modify/change the background image of an IP Phone

  
  1. #1
    نام حقيقي: Ehsan Vahdati

    عضو غیر فعال شناسه تصویری arminvox
    تاریخ عضویت
    Feb 2005
    محل سکونت
    Tehran
    نوشته
    171
    سپاسگزاری شده
    98
    سپاسگزاری کرده
    53

    How to modify/change the background image of an IP Phone

    منبع


    How to modify/change the background image of an IP Phone (new)
    VERSION 21
    In this procedure I'm going to start from scratch with an image and go step by step on how to tailor it to size an 7965/7945's IP Phone display. At the end there is also a troubleshooting section and links to other IP Phone model image specifics.


    Components for this specific howto:
    7965/7945 IP Phone
    CallManager Linux-based (5.x/6.x/7.x/8.x)
    The Gimp editing software
    (Linux: Installed by default in Ubuntu / Windows: GIMP - for Windows)
    A picture file of your preference

    Prerequisites:
    Read the official guide: Cisco Unified IP Phone 7965G and 7945G Administration Guide for Cisco Unified Communications Manager 6.1(3) - Customizing the Cisco Unified IP Phone
    CallManager Administrator and OS Administrator access

    Steps:
    Open the picture with The Gimp
    In my case, the image I selected is 225x168px, so it doesn't meet the size requirements (see Prerequisites).

    Go to Image > Canvas Size (If your image is bigger than the specified size, go to Image > Scale Image and follow next steps).

    Click the chain icon next to the pixels drop-down menu, and change the canvas size (or image size if you are scaling it) to Width:320 / Height:212
    Click the "Center" button so that the image stays centered on the new space, or drag the preview thumbnail to a corner of your choice within the canvas' space (if you are scaling the image the "Center" button and the drag option are not there)
    Click Resize

    Note the changes
    Now we need to put a white background

    Right click the image layer on the layer window
    Click Flatten Image at the very bottom.
    Now we need to make sure there are no more colors than the phone can accept

    Go to Colors > Posterize. This tool works with powers of 2. An IP Phone cannot display more than 65535 colors, so increase or decrease the posterize levels to no more than 15, as 15 is the closest power of 2 to 65535 (2 to the power of 15 is 32768)
    Click ok
    Go to File > Save as > choose PNG as the file type

    Click Save

    Now lets fabricate the thumbnail
    Go to Image > Scale Image and type 80 in the Width field
    The Height field should automatically populate to 53
    Save the image in PNG type just as we did before
    Try to keep simple, short names like img.png and img-tmb.png
    Now we will tailor the XML file that lists the available images
    Download this example List.xml, or copy this content to a regular text file, and save it as an .xml archive:
    <CiscoIPPhoneImageList>

    <ImageItem Image="TFTPesktops/320x212x16/IMAGE-THUMB.png"
    URL="TFTPesktops/320x212x16/IMAGE.png"/>

    </CiscoIPPhoneImageList>
    Replace IMAGE-THUMB.png in the code wih the name chosen for your preview size image. Don't forget the double quotes at the end.
    Replace IMAGE.png in this code with the name chosen for your full size image. Don't forget the double quotes at the end.
    Save the file so that it reads: List.xml (case sensitive)
    If you need to present more than 1 image options to your users, copy/paste the <ImageItem.... block and replace the names with the other image names as in step 2 an 3
    Time to upload all 3 files to the TFTP server
    Go to Cisco OS Administration > Software Upgrades > TFTP File Management

    Click on Upload File

    In the Upload File field enter the path where your full size image, thumbnail image and List.xml files are
    In the Directory field, enter: /Desktops/320x212x16 (include the forward slashes and delete any white space at the end)
    Hit the Upload file button for each individual file you are transferring
    Back at the TFTP File Management window, type the name of your files and click Find to verify they are there.
    Go to Cisco Unified Serviceability > Tools > Control Center - Feature Center > Select the Cisco TFTP radio button and restart the service by clicking the green triangle button at the top of the page, or the Restart button near the end

    On the IP Phone, go to Settings > User Preferences > Background Images, and choose the thumbnail that you want to apply. They should be there now


    Troubleshooting:
    NOTE: When dealing with image difficulties, try restarting the TFTP after each file upload

    Problem: you go to Phone settings, and there you can see other background options, but can't really see the picture
    Solution: it is most likely because of the color depth issue. Change the levels as mentioned in step 1-11

    Problem: you go to Phone settings, and there are no options to change the image
    Solution 1: After saving the file with some text editors, eventhough you specify an .xml extension, the program might add a .txt at the end. Erase it.
    Solution 2: open an SSH session to the CallManager node where the XML and PNG files were uploaded. run this command, make sure the files were correctly uploaded:
    file list activelog cm/tftpdata/Desktops/320x212x16

    If not, then you uploaded them to another node, or there is something wrong with the TFTP transaction
    Solution 3: open the List.xml file with a browser. If it shows a syntax error, then there is a quote, bracket or other mistake in the XML syntax. No files will be shown in the phone. A good syntax should look like this in your browser:



    Problem: You can see the thumbnail just fine, but when you select it, it shows "FILE NOT FOUND" error message.
    Solution 1: At this point we are sure the XML file is ok, because the thumbnail is there, but the path or the name of the full-size image is incorrect. Open the XML list and make sure the image extension is lower case png and not GIF, JPG or other format, and that the name is correct.
    Solution 2: see solution 2 from previous Problem
    Solution 3: it has happened that the TFTP transaction flow is affected somehow, so you might correct the XML file, save it, but when you go to the upload step you are actually uploading an old version of it, still pointing to a JPG image or to an older image name. In order to verify the contents of the file you just uploaded, run this command from an SSH Session, and check if the syntax is ok and pointing to the correct file:
    file view activelog cm/tftpdata/Desktops/320x212x16/List.xml

    Image specifications for other models:
    These same instructions may be used with different phone models, however the TFTP directory path may change according to the display size of your model. Please verify the specifics.

    7941/7961: Cisco.com Login Page

    7942/7962: Cisco Unified IP Phone 7962G and 7942G Administration Guide for Cisco Unified Communications Manager 7.0 (SCCP and SIP) - Customizing the Cisco Unified IP Phone

    7970/7971/IP Communicator: Cisco.com Login Page

    7975: Cisco.com Login Page

    7985: http://www.cisco.com/en/US/docs/voic...e/7985adm2.pdf




    موضوعات مشابه:
    ویرایش توسط arminvox : 2010-06-05 در ساعت 10:03 AM
    omid_mohagerani و ehsan653 سپاسگزاری کرده‌اند.

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