Hosted Turnkey Solution We host the billing and management platform which manages all of your postpaid clients... Termination of calls We provide the termination of calls that your customers place - we've built the interconnects so you don't have to. $0.00 to join There are no setup or monthly fees on CallExchange. You only pay for the minutes you buy. Pre/Post-paid Provide pre-paid or post-paid calling cards or accounts all at the same time - integrated into one easy to use web based system. Many ways to call Your clients can call via dial-in with authentication of ANI or PIN; or via VoIP softphones or customer premise equipment. Real Time System See your traffic and manage your clients in real time, all the time.