today we had a power outage and took all system down , now the power is up , we can not receive or make any calls out , but internal extension to extension works fine..i have rebooted the ISP ISDN PRI line modem, CUCM, Unity express manager , the switch etc ..no joy
please advise me how can i make the phone system to work again , this happens all the time after a power failure an when the UPS dies completely.
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...