[June 27, 2001]

Trillium Enhances SIGTRAN Solution With New SUA Offering, Enabling Phone Services Over Converged Networks

Trillium Digital Systems, Inc. has added the new Signaling Connection Control Part (SCCP) User Adaptation Layer (SUA) software to its portfolio of Signaling System 7 (SS7)-over-Internet Protocol (IP) (SIGTRAN) solutions for enabling telecommunications carriers to implement phone services in a converged network environment.

Trillium's SUA signaling software enables legacy and next-generation networks to communicate and interact in providing end-user services such as automatic call-back and mobile roaming over packet-based networks. Trillium's SUA continues the company's commitment of offering quality and open-standards solutions.

Trillium joined other industry leaders at the recently completed International Engineering Task Force's Message Transfer Part Level 3 User Adaptation Layer (M3UA) Bake Off, where the company successfully completed interoperability testing for its M3UA signaling software.

"The SUA layer is our latest SIGTRAN offering aimed at helping customers maximize their investment and value of legacy equipment," said Frank Morese, vice president of marketing for Trillium Digital Systems, Inc. "This is another example of how Trillium is helping users minimize costs while offering the latest technologies that conform to changing standards and customer needs."

The availability of Trillium's SUA further expands the company's IP telephony offerings, enabling Trillium to offer customers one of the telecommunications industry's most comprehensive SIGTRAN product portfolios. Other Trillium SIGTRAN offerings include the Stream Control Transmission Protocol (SCTP), M3UA, and the Integrated Services Digital Network Q.921 User Adaptation Layer.

SIGTRAN can be integrated into products such as Signaling Gateways, Media Gateway Controllers, IP-resident databases, Third Generation Serving General Packet Radio Service Support Nodes, Radio Network Controllers, and SoftSwitches to accelerate development of converged voice and data solutions. This technology extends the value of carriers' legacy telephone networks by transporting voice traffic over IP-based networks using various protocol components, including SCTP.

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