https://biz.prlog.org/in/wisp/ WISP - India - Free business directory on PRLog.Org, latest companies listed first. 60 https://biz.prlog.org/inventum/ Inventum is a leading, global supplier of operational & billing support systems for communication service providers. Inventum's solutions include AAA, Convergent Billing Systems, Service Management Platforms, Network Controllers & Wireless Security. Wed, 22 Sep 2010 18:40:02 GMT