Hi SN,
Here is some info on CCM 5.X Licensing. Have a look;
Cisco Unified CallManager 5.x Licensing
http://www.cisco.com/en/US/products/sw/voicesw/ps556/products_qanda_item0900aecd805a7062.shtml
If you are migrating CCM from 4.x to 5.x
Here is some good to info to get you started;
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. See the "Uploading a License file" section in the Cisco CallManager Administration Guide. This node takes on the functionality of the license manager.
From this doc;
http://www.cisco.com/en/US/products/sw/voicesw/ps556/products_administration_guide_chapter09186a0080531ebb.html#wp1100548
Here is the IP Phone DLU breakdown;
Cisco Unified IP Phone 7902G = 1
Cisco Unified IP Phone 7905G = 2
Cisco Unified IP Phone 7911G = 3
Cisco Unified IP Phone 7912G = 3
Cisco Unified Wireless IP Phone 7920 (no battery) = 4
Cisco Unified IP Conference Station 7936 = 3
Cisco Unified IP Phone 7940G = 4
Cisco Unified IP Phone 7941G = 4
Cisco Unified IP Phone 7941G-GE = 4
Cisco Unified IP Phone 7960G = 4
Cisco Unified IP Phone 7961G = 4
Cisco Unified IP Phone 7961G-GE = 4
Cisco Unified IP Phone 7970G = 5
Cisco Unified IP Phone 7971G = 5
Cisco Unified IP Phone 7985G = 6
Third-party SIP device (basic) = 3 (third-party)
Third-party SIP device (advanced) = 6 (third-party
From this doc;
http://www.cisco.com/en/US/products/sw/voicesw/ps556/products_qanda_item0900aecd805009fc.shtml
Hope this helps!
Rob
