Hello all and all I have a problem with my cisco ip phone 7975g I made a reset with the following keys 123456789 * 0 # and I am blocking I have on the phone an upgrading screen but I do not know How to upgrade the firmware I have a firmware already I would like to put the phone back as before I had the ip address 192.168.1.67 and I do not know the ftp address to update the firmware I am Block and on my router for the same phone I have an ip address 0.0.0.0 so I am blocking for a phone that I pay dear I am a private and I have knowledge in computing but I ask the forum thank you d In advance for your answer
