Installing Cisco Unified Communications Manager
Before using the Cisco Unified IP Phone with Cisco Unified Communications Manager, you must install the latest firmware on all Cisco Unified Communications Manager servers in the cluster.
To download and install the Cisco Unified Communications Manager version, refer to the install and upgrade guides for Cisco Unified Communications Manager.
Installing Firmware Release 9.1(2)SR1 for SCCP
To download and install the phone firmware, follow these steps:
Step 1 Go to the following URL:
Step 2 Sign in with your Cisco.com user ID and password.
Step 3 Navigate to the Tools & Resources > Download Software page.
Step 4 Click + and choose the IP Telephony folder.
Step 5 Click + and choose the IP Phones folder.
Step 6 Choose Cisco Unified IP Phones 8900 Series.
Step 7 Choose your phone type.
Step 8 In the Latest Releases folder, choose 9.1(2)SR1.
Step 9 Select the cmterm-894x-sccp.9-1-2-sr-1.cop.sgn firmware file, click the Download Now or Add to Cart button and follow the prompts.
Note If you added the firmware file to the cart, click the Download Cart link when you are ready to download the file.
Step 10 Click the + next to the firmware file name in the Download Cart section to access additional information about this file. The hyperlink for the Readme files is in the Additional Information section, which contains installation instructions for the firmware ( cmterm-894x-sccp.9-1-2-sr-1-readme.html).
Step 11 Follow the instructions in the Readme file to install the firmware.
Note Ensure power supply when upgrading the Cisco Unified IP Phone 8941 and 8945 to release 9.1(2)SR1. Phone could fail to boot up during power loss.
Note After Unified CM upgrade, ensure phone default load is 9.1(2)SR1 otherwise phone could be downgraded to 9-1-2. For more information refer to CSCtn62843.
Installing Firmware Zip Files
If a Cisco Unified Communications Manager is not available to load the installer program, the cmterm-894x-sccp.9-1-2-sr-1.zip file is available to load the firmware. Go to Step 1 of the preceding procedure and follow the first nine steps.
After you unzip the files, you must manually copy them to the directory on the TFTP server. Refer to the Cisco Unified Communications Operating System Administration Guide for information about how to manually copy the firmware files to the server.
Note Firmware upgrades over the WLAN interface may take longer than upgrades using a wired connection. Upgrade times over the WLAN interface may take more than an hour, depending on the quality and bandwidth of the wireless connection.