Requesting assistance/instructions on how to use TFTPD32 in order to upgrade 7971G phones with default firmware up to intermediate firmware 8.5.x in order to take the phone up to end-state of 9.2.x firmware on a CUCM 8.6 environment.
Thank you!
"I believe that the greatest work of God has not been in the miraculous, nor in the spectacular, incomprehensible Creation, but rather I believe it was accomplished on the Cross where He Himself purchased the redemption of His Bride... the salvation of m