Unfortunately thats not possible. You will have to jump to a 7.1 version before upgrading to 9.1. Please refer the compatibility guide here to come up with a plan. Keep in mind, look out for the minor versions since certain 7.0 minor version require you to jump to another intermediate 7.0 minor version before moving forward.
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...