The problem didn't reoccur yet. We have two 7861 fixed and in working condition more than 3 months, two 7821 - more than a month and one 8851 in normal working state for more than 2 months. If the issue occur once again, the phones will be dismantle ...

Hi fellows, almost a year from last reply, but I am sure there are still people having this issue. After reading a lot and did some experiments I think I found a solution to the offhook/onhook issue. It appears not only with 8851's but in my case mos...

Hi all community fellows. Just to share my experience and how I solved the problem. My situation looks like that - a Cisco UCS C240 M4S2 server connected with four ports to two Cisco 3850 switches in a stack. There are two ports connected to each swi...