http://www.articleheaven.net en-us editorial@articlealley.com We are often asked how DTH VoIP Billing Software compares to a2billing. This question usually comes from customers who are using a2billing but are looking for a more comprehensive alternative, or customers who are starting a new business and are evaluatin... http://www.articleheaven.net/a2billing-how-do-we-compare-1436871.html 09th March 2010