A fast busy means the switch is too busy to take the call. If it happens too frequently additional lines will have to be brough into the switch. This happens on the PSTN network side not on the IP side as the concept of "busy" does not really exist the call would either just be dropped or so many packets would be lost as to make the call unusable in a busy IP network.
IntroductionCUCM Routing RulesDial String implementation PolicyCUCM Routing LogicSIP URI Call Routing Analysis+++ Case Study: 1 ++++++ Case Study: 2 +++Conclusion
Over the last few months, I have had the privilege of working on SI...
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...