Tag Archives: SIP

“Auth Fail” when upgrading Cisco 7941/7961 firmware

Posted on November 15, 2013 by Ethan

“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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Elastix 2.2 with Exchange 2007 SP3 Exchange Unified Messaging integration – Asterisk

Posted on September 28, 2012 by Ethan

Open Source Software, such as Asterisk, can be very useful. What I’ve found, however, is that there are many cases where getting an Open Source Software package to work properly for your requirements can suck you into a focus where … Continue reading →

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