GAITHERSBURG, Md. -- BroadSoft, the leading provider of VoIP application software, today announced that Primus Telecommunications Inc. is using BroadSoft’s BroadWorksâ VoIP applications platform to support its Lingo Internet telephone service for homes and offices across the U.S. Primus Telecommunications, Inc., is the wholly owned subsidiary of Primus Telecommunications Group, Incorporated (NASDAQ:PRTL), a Fortune 1000(R) global telecommunications company with $1.3 billion in annual revenue.

Introduced in June 2004, Lingo is the most affordable Internet telephone/VoIP service in the U.S., and offers unmatched geographic coverage. Leveraging Primus' global presence, and a VoIP network that reaches over 150 countries, Lingo offers consumers unlimited calling in the U.S, Canada and Western Europe for only $19.95 per month with the first month free. Lingo brings users with a broadband connection an alternative to their traditional telephone company at savings of up to 80 percent.

“BroadSoft offers one of the most powerful network-based VoIP applications software solutions available on the market today,” said Geoffrey K. Hicks, senior vice-president, network services & technology at Primus. “The BroadWorks platform’s turnkey hierarchical management structure gives us the ability to scale to millions of users, support Lingo’s multiple channels and agents, and offer flexible packaging and unbeatable pricing. BroadSoft provides complete regulatory compliance, including CALEA for primary line service, coupled with a robust, flexible feature set. We look forward to a strong working relationship with BroadSoft - a demonstrated leader in this sector.”

BroadSoft Inc.

Primus Telecommunications Inc.