Cisco Phone 7940G TFTP Size Error

@Bubba8291 wrote:

Hello,

I have a Cisco 7940G and I am trying to upgrade it to SIP. I am getting an error that says: TFTP Size Error. I am gonna use my FreePBX Server for the SIP configurations (If I ever get it upgraded). The year of the Phone is 2000 (I think). I do NOT have a Cisco Contract. So how would I upgrade to SIP successfully without any errors?

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