Tech Tip:Apply the new firmware only to one phone -CUCM 5.0 and higher
To apply the new firmware only to one phone ,use the Upload TFTP Server File option. Go into OS Administration in CCMadmin and upload the file to the TFTP server (OS Administration > Software Upgrades > Upload TFTP Server File) .
On the phone configuration page, under Device Information specify the firmware name -say cmterm-7921-sccp.1-2-1 in the 'Phone Load Name' field. Reset the phone. After uploading you need to restart the TFTP service -Cisco Unified Serviceability ->click Go. Under the Tools menu, select Control Center - Feature Services.Select the server and restart TFTP service. Reset the phone after this.
Table of Contents:
1. Reference URLs
2. Type of Certificates
3. Regenerate certificates that have no CTL/ITL impact [no phone impact]
4. Regenerate certificates that have CTL/ITL impact [medium phone impact]
5. Step to delete expired certif...
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