IP phone reset problem.
In the IPT world, IP phones are bound to reset. Sometimes, after firmware upgrade we force phones to reset and other times, due to reboot of the CM server during maintenance window. However, unexpected ip phone reset is a problem. In order to troubleshoot any issue, it is most important to isolate the problem into parts. In an issue of IP phone reset, it is important to collect evidences like- Is there any error appear on the IP phone screen when it resets? How many times have phone reset? How many phones are affected with this behavior? Is it a progressive issue? Did we make any changes on UC which might lead to this behavior? What firmware are affected phones running as compared to working ones? Are all affected phones connected to the same switch? Unless its not a buggy behavior of phone's firmware, we should check the application logs under s...



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