I purchased this phone for my small business and I wanted to upgrade its firmware before provisioning it on my platform. I am trying to upgrade it using HTTP method which I had tried before for other Cisco models and it worked every time.The running ...

Trying to upgrade the firmware on a cisco 8861 manually before configuring it for my business. I have installed a pumkin tft server, got all the files needed but my phone doesn't have a setting for TFTP server, Instead, a URL window for firmware upgr...