China Unicom Relies On Stalker Software For Reliable Messaging Services

World's Third-Largest Mobile Telecommunications Operator Looks to Stalker Software to Provide Subscribers with Reliable Messaging Services

MILL VALLEY, Calif., (October 4, 2004) - Stalker Software, Inc., the technology leader in messaging solutions, today announced that China Unicom, a leading telecommunications provider and the world's third-largest provider of mobile telecommunications, has chosen CommuniGate Pro to provide its growing customer base with reliable messaging services.

CommuniGate Pro provides China Unicom with a proven dependable messaging solution necessary to handle the company's large and diverse customer base. Because their previous messaging solution proved to be costly and problematic, China Unicom migrated to CommuniGate Pro for its reliability and low price to performance ratio. In addition, CommuniGate Pro's flexibility enables the company to integrate third-party applications including SMS alert, SMS registration, Text-to-Speech, Back-end OSS and WAP mail, while still maintaining 99.999% uptime.

"With so many users and high volumes of traffic exceeding 4,000 messages per hour, high-availability is a must. Downtime has become nearly non-existent since we installed CommuniGate Pro and its Dynamic Cluster technology," says Hu Xiao Lin, Manager of Data Services at China Unicom. "The scalability and reliability of Stalker's messaging solution is certainly unrivaled by competing vendors."

The award-winning CommuniGate Pro messaging server, combined with Dynamic Cluster architecture provides 99.999% reliability and the support for virtually unlimited growth. The solution operates as a group of front-end and back-end servers, accessing domain and account data on a shared file system. This multi-level architecture enables load balancing and server redundancy, providing fast performance and availability with no single point of failure.

"To remain competitive, telecommunications companies are always looking for ways to increase their service levels while reducing operational costs," said Vladimir Butenko, president and CEO of Stalker Software. "CommuniGate Pro allows telecommunication providers to present more service offerings to their subscribers such as Real-Time Communications including IM, VoIP and Video conferencing as well as WAP services and SMS/MMS capabilities."

Supporting more than 30 hardware and operating system combinations including UNIX, Windows, AS400, mainframes and Mac OS X, CommuniGate Pro provides the most advanced, robust unified messaging solution, optimized to provide e-mail, collaboration, wireless and voice messaging all on a single message store. Because of the product's open standards-based architecture, CommuniGate Pro is able to provide high-performance integrated messaging, supporting many types of content on a centralized platform efficiently and reliably.

About China Unicom
China United Telecommunications Corporation was established on July 19, 1994. The birth of China Unicom brought competition into China's telecom market and has been instrumental to the reform and