I want to recommend you one of the best software for routing. It is Ringba. It is an advanced call tracking and routing platform designed that provides complete control over call marketing and significantly improve your return on investment. tracks every possible detail about your users allowing you to optimize your profit at an unparallelled level. If you are working with inbound calls, Ringba gives you the tools you need to manage your business and make more money from your phone calls, including: Number Management – Create and manage local and toll-free phone numbers in countries all over the world. Call Analytics – Detailed and granular analytics about your calls. Call Routing – Build dynamic routing plans for forwarding calls to targets. Call Recording – Listen to call recordings to better understand your callers. Reporting – View reports and optimize your campaigns with actionable insights. See here to learn how to use this call routing software. This is really awesome and I am totally satisfied using it. I hope this helps you too. Thank You!