Tftp File Not Found Cisco 7940 Ip Phone
Occasionally in Cisco collaboration ream you are required to upgrade IP Phone firmware. Most of the time it’s for fixing some BUGS or getting new features on the phone. Today’s article we are gonna look at How to Upgrade Cisco IP Phone Firmware from Call Manager.
This is the recommended and safe method for firmware upgradation.There are lot more ways to upgrade Cisco IP phone firmware, I would like to share all possible ways one by one. Well, other possible methods will be posted soon in UCCollaborationGeek.Why do we need a firmware Upgrade? Most of the time Cisco TAC engineers suggest to upgrade firmware to meet some bug fixes, errors, etc. Way back I remember we had an issue of ‘ One Way Audio’, as we first look in to IP routing and other network stuffs to identify the resolution but the actual culprit was the Firmware!In today’s example I have used Cisco 7975 IP phone as example, but the process is quite similar for any other model. I have upgraded the firmware from SCCP75.9-3- 1SR2-1S to SCCP75.9-3- 1SR4-1S from the Call Manager (No need of any third-party applications).Great care must be taken before upgrading phone from the call manager.
Tftp File Not Found Cisco 7940 Ip Phone Manual
Do not skip the Step 6, otherwise you may accidentally upgrade all the phone firmware in the cluster. That may in turn trouble you when all the phones those are not in the LAN of CUCM (Remote phones are registered over WAN to the central cluster) start trying to upgrade firmware.This article describes how uniquely upgrade a single Phone Firmware. Step 1: Download Cisco IP Phone FirmwareHead over to and get the required firmware file.Step 2: Place the File in the SFTP Root DirectoryMove the downloaded file to the SFTP root directory. I always recommend SolarWinds Free SFTP server to do this.Please read Steps 2 to 6 fromStart your SFTP server.Step 3: Backup Old Firmware NameThis is very crucial step since by default you can’t upgrade firmware for individual phone model.