That is explained in the various datasheet and Q&A.
Moreover since it appears you are a Cisco employee, I recommend you use the many internal resources for this kind of questions, to not give readers the impression that your best support is a public forum for customers and partners.
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...