I am getitng this error when trying to call from 7942 ip phone....
i am haivng cucm 8.0 version...
As per this link, no use for cucm 8.0 version:
can someone tell me how can work for this issue with cucm 8 version?
I believe that you wanted to create a discussion, not a document , and probably will be moderate.
However, what you are experiencing is a feature of CUCM called Call Throttling, designed to alert the high server load.
Take a look here to learn more about this feature: