Oddly enough, I had a similar problem and it was caused by leaky RF emissions from a non-Cisco switch located on top of the router. I was getting a loud recurring echo and hum, and I placed a ton of internal and external calls and isolated to either an ATA-186 or a cheap lab switch that was located near my router.
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...