Ubiquity Software Selected by Global Crossing as SIP Platform Preferred Supplier for Global IP Network Expansion

Market Wire, July, 2006

Ubiquity Software (LSE: UBQ) and Global Crossing (NASDAQ: GLBC) today announced the execution of a multi-year, multimillion dollar agreement whereby Ubiquity Software will become a preferred supplier for Session Initiation Protocol (SIP) Application Server technology in Global Crossing's global, IP network.

Under the agreement, Global Crossing will use Ubiquity's SIP Application Server (SIP A/S) and Service Oriented Architecture (SOA) service creation environment to develop, deploy and manage a new generation of IP-based services, and to migrate existing legacy applications to Global Crossing's global IP platform. Global Crossing currently plans to deploy several applications including VoIP Interactive Voice Response and VoIP Network Transfer.

In connection with the agreement, INUK Networks, a partner of Ubiquity, entered into a separate agreement to purchase Voice over Internet Protocol (VoIP) services from Global Crossing (UK) Telecommunications Limited (GCUK). The services will be part of a triple-play offering to be launched by INUK Networks later this year, providing university students broadband Internet access, IPTV and VoIP.

As a worldwide provider of IP voice, video and data services to more than 600 cities in 60 countries and six continents, Global Crossing is responding aggressively to the demand for new and innovative IP-based applications and services. Global Crossing selected Ubiquity's SIP A/S for its rapid service-creation capabilities and advanced SOOF-based SOA, operational cost savings potential, and the ability to address new customers with new and innovative services that extend its market leadership as an IP carrier.

"The Ubiquity SIP Application Server platform strengthens our IP architecture and supports our strategy to rapidly offer new and innovative IP services to enterprise and carrier customers worldwide," said Dan Enright, EVP Operations, Global Crossing.

"By selecting Ubiquity as a strategic supplier, Global Crossing continues its leadership as an innovative IP-based service provider," said Ian McLaren, CEO at Ubiquity Software. "Global Crossing's use of Ubiquity's SIP A/S will accelerate their implementation of next-generation IP networks. This allows Global Crossing to build applications that support the introduction of innovative new services, quickly and seamlessly, while bringing competitive advantage to their customers."

Ubiquity's SIP Application Server (SIP A/S)

Ubiquity's SIP A/S is an "open," standards-based service creation platform that has been selected by carriers to enable the rapid development and deployment of a broad range of advanced communications services. SIP A/S is a high-performance software platform designed specifically for telecommunications applications to allow carriers to offer innovative voice, data, and video services. The SIP A/S offers a programmable, horizontal platform that makes it easy to add new features and applications to carrier networks.

Ubiquity's SOA and Developer Tools

The launch of the Ubiquity Developer Network (UDN) builds on Ubiquity's developer strategy, following the recent announcement of Ubiquity's Service Oriented Object Framework (SOOF) Appcelerator Service Oriented Architecture (SOA), developer tools for Ubiquity's "open" SIP A/S platform. Appcelerator provides a unique SOA development environment on top of the Ubiquity JSR116-compliant SIP Servlet Container for unparalleled system performance and efficiency. Additionally, Ubiquity Developer Studio (UDS), in conjunction with the Appcelerator product set, provides a unified set of tools that enable highly modular application and services development. Ubiquity Developer Edition (UDE) provides developers with a development version of Ubiquity's award-winning SIP A/S to simplify development, testing and debugging of applications built on the Ubiquity SIP A/S.

About Ubiquity Software

Founded in 1993, Ubiquity Software (LSE: UBQ) is revolutionizing the communications marketplace with solutions that enable service providers to quickly develop and deploy innovative revenue-generating services. Ubiquity offers deployment platforms, applications, development tools and integration technology for converged voice, video and data services. Ubiquity's SIP Application Server (SIP A/S) is the preferred services deployment platform standard for the world's leading telecommunications carriers. Through the Ubiquity Developer Network (UDN), Ubiquity partners with leading network equipment vendors, system integrators, ISVs, and developers to bring new multimedia communications solutions to a rapidly changing global market. Ubiquity is headquartered in Cardiff, Wales with corporate offices in Ottawa, Canada and Redwood City, CA, with sales offices in Japan and China. For more information, visit www.ubiquitysoftware.com or email info@ubiquitysoftware.com .

About Global Crossing

Global Crossing (NASDAQ: GLBC) provides telecommunications solutions over the world's first integrated global IP-based network. Its core network connects more than 300 cities in 28 countries worldwide, and delivers services to more than 600 cities in 60 countries and 6 continents around the globe. The company's global sales and support model matches the network footprint and, like the network, delivers a consistent customer experience worldwide.