I have to setup a server to route telephone calls coming to a particular landline no to cell phone phones depending upon the availability of user.
I want to know what technology call centres or telecom giants use for the same. While exploring some such options I came across following
Let me know if these are what will serve my purpose. Also let me know what hardware I might need along with setting up of such servers. What keywords should I exactly Google.We use Ubuntu servers in our environment.