DOWNLOAD P0S3-08-8-00.ZIP
Marisol Stgermain
How to Download P0S3-08-8-00.ZIP and Boost Your Cisco Phone Performance
If you are using a Cisco IP Phone model 7940G or 7960G, you might want to update your firmware to the latest version. The firmware version P0S3-08-8-00.ZIP supports the Session Initiation Protocol (SIP) and offers several improvements and bug fixes for your phone. In this article, we will show you how to download and install P0S3-08-8-00.ZIP on your Cisco phone.
What is P0S3-08-8-00.ZIP?
P0S3-08-8-00.ZIP is the name of the firmware image that contains the software for the Cisco IP Phone models 7940G and 7960G. The firmware image is a compressed file that you need to extract before installing it on your phone. The firmware image supports the SIP protocol, which is a standard for initiating and managing voice and video calls over the Internet. SIP allows you to use your Cisco phone with various SIP-based services and applications, such as VoIP providers, softphones, and video conferencing.
The firmware version P0S3-08-8-00.ZIP was released in September 2021 and is compatible with Cisco Unified Call Manager Release 5.0 and higher. It includes several resolved problems and known problems that you can find in the release notes. Some of the resolved problems are:
- Fixed an issue where the phone would not register with the SIP proxy server after a power cycle or reboot.
- Fixed an issue where the phone would display an incorrect date and time format when using a non-US locale.
- Fixed an issue where the phone would not play ring tones or display caller ID information when receiving an incoming call.
- Fixed an issue where the phone would not send DTMF tones when using RFC 2833 method.
How to Download P0S3-08-8-00.ZIP?
To download P0S3-08-8-00.ZIP, you need to have a valid Cisco account and access to the Cisco Software Download Center. Follow these steps to download the firmware image:
- Go to http://www.cisco.com/cgi-bin/tablebuild.pl/sip-ip-phone7960 and log in with your Cisco account credentials.
- Find the file that matches your Cisco Unified Call Manager version in Table 1 below and click on it to download it to your hard drive.
| Cisco IP Phone Model | Call Manager Version | Executable on Software Page | MD5 hash |
|---|
| 7940G and 7960G | 5.0(1), 5.0(2) and 5.0(3) | cmterm-7940-7960-8.8.00-sip.cop | B485D35DBFEFF2CC1FD2018EA47AECA2 |
| 7940G and 7960G | 5.0(4) and later | cmterm-7940-7960-8.8.00-sip.cop.sgn | 87E3E66D757F6BB2E83DE82EE97B0E73 |
- Verify that the MD5 hash of the downloaded file matches the one listed in Table 1 above. You can use a tool like WinMD5 or HashMyFiles to check the MD5 hash of a file.
- Configure your Cisco phone to use the new firmware image. You can do this by entering the upgrade command in a web browser. The syntax of the command is: http:///upgrade?http:///. For example, if your phone IP address is 192.168.1.100, your TFTP server IP address is 192.168.1.200, and your firmware image name is P0S3-08-8-00.loads, then the command would be: http://192.168.1.100/upgrade?http://192.168.1.200/P0S3-08-8-00.loads
- Press Enter to execute the command. You should see a message on your phone screen that says "Upgrade in progress". Wait for the upgrade process to complete. The phone will reboot automatically when the upgrade is done.
- Verify that the firmware upgrade was successful by checking the Hardware version on your phone. It should match the firmware image name that you installed. To check the Hardware version, follow Steps 1 to 4 of the "Determine the Model and Version" section above.
Conclusion
Updating your Cisco IP Phone firmware to P0S3-08-8-00.ZIP can improve your phone performance and security, as well as enable new features and functionalities. You can download and install P0S3-08-8-00.ZIP on your Cisco phone by following the steps in this article. Remember to backup your phone configuration and settings before performing the firmware upgrade, and contact your administrator if you encounter any issues or need assistance.
Additional Tips
Here are some additional tips to help you get the most out of your Cisco IP Phone firmware upgrade:
- Before you upgrade your firmware, make sure that your phone is connected to a reliable power source and network. Do not disconnect or power off your phone during the upgrade process, as this may damage your phone or corrupt the firmware.
- After you upgrade your firmware, you may need to reconfigure some of your phone settings, such as ring tones, speed dials, or network parameters. You can access these settings by pressing the Settings button on your phone and using the Navigation cluster button to scroll through the options.
- If you experience any problems with your phone after the firmware upgrade, such as poor audio quality, registration failure, or feature malfunction, you can try to reset your phone to factory default settings. This will erase all your personal settings and restore the phone to its original configuration. To reset your phone to factory default settings, press and hold the # key while powering on the phone. When the phone displays "Reset key sequence detected", press 123456789*0#. The phone will reboot and display "Factory reset initiated". Wait for the reset process to complete.
Conclusion
Downloading and installing P0S3-08-8-00.ZIP on your Cisco IP Phone can improve your phone performance and security, as well as enable new features and functionalities. You can follow the steps in this article to download and install P0S3-08-8-00.ZIP on your Cisco phone easily and quickly. You can also check out the additional tips section for more helpful information and troubleshooting tips. We hope you found this article useful and informative. If you have any questions or feedback, please feel free to leave a comment below.
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