The 'Listener' function is something that is only available in our Helpdesk software. I don't think you are running Helpdesk but just in case here is some information on what this Helpdesk functionality does:
If you are using ITBM, then what people would use instead is normally mailmanager to send emails to individuals notifying them that something new has come through to them. I guess you might be able to use Ticker or an RSS feed but I don't know of anyone using this for this reason. Would mail be an option for you?