The Route list Exhausted event appears in the Cisco CallManager Event Viewer
This issue can occur if an available route is not found in the indicated route list.
If the call fails on the current gateway, Cisco CallManager attempts to extend the call to the next route in the route list. This occurs until it reaches the last route. If the call cannot be completed with the last gateway, the Route List Exhausted event is logged.
These are possible reasons for a failure on the current gateway:
Unallocated number, such as a non-existing destination
Out of bandwidth
Gateway fails to respond to the call setup request
-> It does not necessarily mean that you lack gateways/channels...
You should look into the CDRs and debug the gateway and try to find the issue.
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.