CUPERTINO, Calif. -- Portal Software, Inc. (Nasdaq:PRSF) today announced that Telverse Communications, a nationwide wholesale provider of "Business Tone" IP communication services, has implemented Portal's convergent billing solution, Infranet(R) to provide flexible billing and pricing plans to its customers for end-to-end IP-based communication services. As a part of its service to its customers, Telverse is also using Infranet's branding capabilities to create customer-specific VOIP service offerings. Telverse provides channel partners, telecommunications carriers, and ISP customers with a full suite of customized communications services to sell to their customers. Telverse's wholesale offering gives its customers and partners a quick and cost-effective way to bring new services to market and instantly generate new revenue opportunities. Portal is providing Telverse with the ability to invoice for communications services on behalf of its customers and partners. "Telverse has realized significant value in working with Portal," said Oliver Davis, vice president of marketing, Telverse Communications. "As an innovative leader in billing for VOIP, Portal has the only proven solution that allowed us to quickly deploy communications services for our customers. Portal's solution supports industry standards, has the flexibility we require to change and add new services on an ongoing basis, and is inexpensive to maintain." The Portal-based billing solution gives Telverse the flexibility to manage and charge for multiple services provided by multiple companies. Portal provides varied payment models allowing Telverse to easily configure bills for differing service partners and to create pricing plans closely aligned with its customers' different businesses. With Portal's billing solution, Telverse has been able to deploy new services for new channel partners in as little as two months. Portal's built-in scalability also allows Telverse and its customers to grow. Portal Software Inc.