You can check in the Skinny traces on Unity or in a CCM trace on CallManager.
From Unity, you want to startup the Unity Diagnostic Tool from Start, Programs, Unity. Choose Configure Micro Traces, mark the box next to SkinnyTSP from the list and click next, finish. Click start new log file and make a phone call. Click start new log file again and then click gather log files. Click selected logs, mark the box next to AvSkinnyTsp and click next. Once it is done, click on view directory.
You are looking for:
Incoming Skinny Message: StationOpenReceiveChannelMessage: ms = 20 compressionType = 11.
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...
The below trick might come handy when you have to add a new node to a cluster but you don't have or is unsure of the security password for the publisher. This procedure has been around for ages.
1) Login into the CLI of the Publisher.