Hi Michael,
My understanding is that you cannot Add phones with the temporary License. You need to go through the process listed below to acquire the "Permanent" License from CCO. Then you should be good to go :)
Migrating from Cisco CallManager 4.0(x) to 5.0(x)
When you migrate from Cisco CallManager version 4.0(x) to 5.0(x), the licenses that are required for existing phones and existing Cisco CallManager nodes is calculated and an intermediate file (XML file) that contains these license counts will be generated during the Cisco CallManager migration process. These licenses are given free of cost because you are already using these phones for Cisco CallManager version 4.x. ***If you are provisioning new phones and nodes after migrating to Cisco CallManager 5.0(x), you need to paste the intermediate license file in the License Registration window on CCO.
Use the following procedure to register existing licenses and request for new licenses.
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Step 1 In Cisco CallManager Administration, choose System > Licensing > License File Upload.
The License File Upload window displays.
Step 2 Click View File. A pop-up window displays that has the license information for existing phones and nodes. Copy this information. To copy the contents on this windrow, you can use Ctrl-A (Select All) and Ctrl-C (Copy).
Step 3 On the License Registration window of CCO website, in the text box provided, paste the file contents using Ctrl-V.
Step 4 You must enter the MAC address of the Cisco CallManager server that you are requesting the licenses for, and a valid E-mail Id.
Step 5 To obtain the actual license file, click Submit. A license file is generated.
Step 6 You must upload the license file to the server with the matching MAC address that you provided in Step 4.
From this doc;
http://www.cisco.com/en/US/products/sw/voicesw/ps556/products_administration_guide_chapter09186a0080531ebb.html#wp1100548
Uploading a License file
Use the following procedure to upload a license file to the Cisco CallManager server with the matching MAC address that is provided when requesting for a license file.The Cisco CallManager server where the license file is loaded takes on the functionality of the license manager.
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Note Upload the license file only on the first node of Cisco CallManager cluster.
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Procedure
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Step 1 Choose System > License > Upload License File.
The License File Upload window displays.
Step 2 The Existing License Files drop-down list box displays the license files that are already uploaded to the server.
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Note Click View File to view the file content of any existing files.
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Step 3 To choose a new license file to upload, click Upload License File.
The Upload File pop-up window displays.
Step 4 Browse and choose a license file to upload to the server.
Step 5 Click Upload License File.
After the upload process is complete, the Upload Result file displays.
Step 6 Click Close.
Step 7 In the License File Upload window, the status of the uploaded file displays.
http://www.cisco.com/en/US/products/sw/voicesw/ps556/products_administration_guide_chapter09186a0080530f9b.html#wp1049590
Hope this help
