Tag Archives: Auth Fail

“Auth Fail” when upgrading Cisco 7941/7961 firmware

“Auth Fail” message received when upgrading the firmware on a Cisco 7941/7961 phone. While attempting to convert a couple of Cisco 7941G phones from the SCCP-8-5-4  to SIP, I encountered an “Auth Fail” message after performing a factory reset on the … Continue reading

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