We are currently experiencing an issue with neighboring our VCS expressways. All of our neighbor zones show "Active" with dial rules configured and all required ports have been opened on the firewall between our Controls and Expressways. The issue is when we dial an E.164 alias, the call fails with the following error in the search history:
"No Route for Bandwidth Calculation"
This happens regardless of which neighbor we dial. I have even setup an internal test by registering a codec to a spare VCS, neighboring the spare to the expressway and then dialing the codec. I recieve the same error. I have opened a TAC, they suggested I reset the default links through the CLI. I have done this and sent all configuration logs as well. I am waiting to hear back from them, however, I was hoping you guys could offer any other suggestions.
If you register two endpoint to the vcs control and they can call each other repeat the test on the expressway if the cna call each other then place a call from one of the units to an external IP or neighbour. If that fails to mutiple zone it would appear to be a defaut (sub)zone problem.
Havetr there been any change to bandwidth limits? I have seen issue if you make changes to limits while calls are in place you cna get abnormal behaviour and a restart usually resolves the issue
Can you also check your licences on the box and see if there are any hung calls on the vcs expressway.( showing active but you cna see your internal endpoints listed in the call are not in a call)
We are using x6.1 on all of our vcs's. Unfortunately, the environment I work in prevents me from posting any configurations or search history on here. But, I ran the tests, if the two codecs are registred on the control or both on the expressway they can call eachother, as soon as I seperate them, I get the error. After taking a closer look at the links, it turns out there was no bandwidth link configured between the control and the expressway.
Once I configured this link, I was able to communicate between the two systems. Now I just need to test with a neighbor zone.
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