SOURCE: Ulticom, Inc.

February 14, 2006 08:00 ET

Ulticom Releases Latest Version of IMS-Ready Signalware Diameter

Complete Solution for Service Delivery and Charging Functions

MOUNT LAUREL, NJ and BARCELONA, SPAIN -- (MARKET WIRE) -- February 14, 2006 --At the 3GSM World Conference, Ulticom®, Inc. (NASDAQ: ULCM), a leading provider of network signaling solutions, today announced the release of the latest version of its IMS-Ready™ Signalware® Diameter product with extended support for IP Multimedia Subsystem (IMS) applications. Signalware Diameter is a complete and easy to use implementation of the Diameter protocol based on the latest IETF and 3GPP standards for the service delivery and charging functions within the IMS. Using Signalware Diameter allows developers to gain a competitive advantage by focusing their efforts on the creation of new and innovative IMS-based applications while at the same time lowering costs and decreasing time to market.

Signalware Diameter has been designed to take advantage of the distributed nature of the IMS and can easily be migrated to a high availability cluster for those applications that require carrier-grade reliability and scalability. APIs are provided at both the base protocol and application level so customers can build their own customized applications or use those provided with Signalware Diameter to further accelerate time to market. With this release, developers now have the ability to easily integrate AAA capabilities within IMS functional elements such as the Home Subscriber Server (HSS), Call Session Control Function (CSCF), SIP-based application servers, and OSA Service Capability Servers. Service Management and Billing Mediation system vendors can also benefit by using Signalware Diameter to provide a standards-based interface to IMS service delivery and charging functions.

Signalware Diameter provides comprehensive support for these specific IMS Diameter interfaces:

--  Sh provides IMS provisioning of subscriber profiles and can be used by
    application servers to retrieve updates when subscriber data is changed
--  Cx provides authentication and authorization for IMS services or
    secure access to IMS services
--  Ro provides support for real-time charging and prepaid services on IMS
--  Rf supports off-line billing for traditional post-paid billing and
    billing mediation between carriers (available May, 2006)
--  Dx and Dh support scalable IMS deployments with multiple HSS databases
    (available May, 2006)
    
IMS offers significant value to service providers since it allows them to introduce new real-time, multimedia services and provide end users with a seamless experience across multiple access networks. Diameter is one of many signaling protocols needed to realize the fixed-mobile converged services enabled by the IMS. Signalware Diameter is unique in its ability to be combined with other essential Signalware signaling protocols such as SIP and SS7 to more broadly address the market and provide interconnection to existing services and networks.

"The comprehensiveness of the IMS architecture requires that system and service providers employ an evolutionary development approach to accelerate delivery schedules and gain competitive advantage," said Osman Duman, senior vice president and chief marketing officer at Ulticom. "Diameter is a natural extension to our IMS-Ready Signalware product line and demonstrates our commitment to offer developers a suite of signaling solutions that address the varied and staggered migration paths toward IMS."

For more information contact sales@ulticom.com or visit us at stand E60 Hall 2 during the 3GSM World Congress event in Barcelona.

About Ulticom, Inc.

Ulticom provides service-enabling signaling software for wireless, wireline, and Internet communications. Ulticom's products are used by leading telecommunication equipment and service providers worldwide to deploy mobility, location, payment, switching, and messaging services. Traded on NASDAQ as ULCM, Ulticom is headquartered in Mount Laurel, NJ with additional offices in the United States, Europe, and Asia. For more information, visit http://www.ulticom.com.

NOTE: This release may contain "forward-looking statements" under the Private Securities Litigation Reform Act of 1995 that involve risks and uncertainties. There can be no assurances that forward-looking statements will be achieved, and actual results could differ materially from forecasts and estimates. Important factors that could cause actual results to differ materially include: changes in the demand for Ulticom's products; changes in capital spending among Ulticom's current and prospective customers; risks associated with Ulticom's dependence on sales of its Signalware products; risks associated with future networks not utilizing signaling systems and protocols which Ulticom's products are designed to support; risks associated with the development and acceptance of new products and product features; risks associated with Ulticom's dependence on a limited number of customers for a significant percentage of revenues; risks associated with the integration of Ulticom's products with those of equipment manufacturers and application developers and its ability to establish and maintain channel and marketing relationships with leading equipment manufacturers and application developers; risks associated with rapidly changing technology and the ability of Ulticom to introduce new products on a timely and cost-effective basis; risks associated with holding a large proportion of Ulticom's assets in cash equivalents and short-term investments and the reduction of prevailing interest rates; risks associated with Ulticom's ability to retain existing personnel and recruit and retain qualified personnel. These risks and uncertainties, as well as others, are discussed in greater detail in Ulticom's filings with the Securities and Exchange Commission, including the most recent Annual Report on Form 10-K and subsequent Quarterly Reports on Form 10-Q. All documents are available through the SEC's Electronic Data Gathering Analysis and Retrieval system (EDGAR) at www.sec.gov or from Ulticom's web site at www.ulticom.com. Ulticom makes no commitment to revise or update any forward-looking statements in order to reflect events or circumstances after the date any such statement is made.

© 2006 Ulticom, Inc. All rights reserved. Ulticom, Signalware, and IMS-Ready are trademarks of Ulticom, Inc.

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