IP Phones frequently reboot. this is not confined to particular phones, it is random. i have tokyo and singapore phones registered to callmanager. callmanager is at singapore. i do not see problem with phones at tokyo. can u suggest what would be the problem facing Singapore phones
am trying to get the callmanager access. i.e., RDP to check the log messages. even RTMT is not showing the messages. But do you have an idea on what would be the problem, since i can rule out callmaneger problem since i have remote phones registered to it. i do not see any problem with their operation
Well - if you are certain that the phones on both sites are using the same CallManager server (it's possible you have two, and one site may be using the second for service).. and you definitely have no issues on the remote site... then there is likely a network issue of some sort on the problem site.
Can you describe your network topology? Do you have your CCM servers in a separate subnet to the IP Phones?
You do really need to start with getting access to the server to check the event logs as Java suggested...
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Are you getting this error “Installer User Interface Mode Not Supported. The installer cannot run in this UI mode. To specify the interface mode, use the -i command-line option, followed by the UI mode identifier. The value UI mode identifiers...
The below trick might come handy when you have to add a new node to a cluster but you don't have or is unsure of the security password for the publisher. This procedure has been around for ages.
1) Login into the CLI of the Publisher.