When i make a call to the PSTN, it starts normally but after a few minutes i experienced one way communication in some of that calls, this status continues after 30 or 45 seconds during the call when the two way communication restablishes and i can finish my call normally.
Looking at the config the thing I notice is that you have put your E1 controller in the network clock particpate table. If you don't follow it with a network-clock-select statement then you will probably find that you are experiencing clock slips on the E1 controller. Depending on how bad these are it can have a significant effect on the audio.
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.