Sipera IPCS Products Obtain Nortel Select Product Status

Richardson, TX, April 8, 2008 – Sipera Systems, the leader in comprehensive VoIP/Unified Communications security solutions, today announced its Sipera IPCS™ line of security appliances has been designated a Nortel Select Product. The Sipera IPCS products are now recognized as a best-in-class technology that strategically complements Nortel’s Communication Server 2100.

The Sipera IPCS products achieved Nortel Select Partner status based on analysis of the company’s VoIP/UC security solutions and input from Nortel customers. Additionally, the Sipera IPCS products successfully completed compatibility testing in a Nortel Lab environment, earning the designation of Nortel Compatible Product. As part of the Select Product Program, Nortel Partner Advantage resellers can order Sipera IPCS products and support through Nortel. This gives Nortel customers’ access to Sipera IPCS products as a recommended third-party product via Nortel channel partners.

“Security is top of mind for our customers and Nortel views VoIP security as a key strategic differentiator” said Peter Simmons, product management leader, Nortel. “By working with Sipera, we can offer customers best of breed real-time VoIP threat prevention, VoIP policy compliance and secure VoIP access functionality in one device through a tightly integrated Sipera IPCS appliance.”

By providing comprehensive, real-time security for the Nortel Communication Server 2100, the Sipera IPCS products securely enable Nortel customers to deploy UC capabilities. Sipera IPCS appliances are managed by a single, centralized console and can be deployed in the demilitarized zone (DMZ) to secure SIP trunks and VoIP remote users, in front of the Nortel Communication Server 2100 to protect the core systems, or between enterprise networks such as the voice and data virtual local area network to enforce UC policies.

“To realize the cost savings, business continuity advantages, and productivity improvements of Unified Communications, it’s essential to ensure the privacy of communications, authentication of the users and end-points, enforce policies and protect the network and devices from attack,” said Eric Winsborrow, Chief Marketing Officer for Sipera. “As customers extend their VoIP network, Nortel recognizes the value of a partner that is 100 percent focused on real-time security. Sipera’s unique combination of a dedicated VoIP vulnerability research lab and deep Unified Communications expertise has been embraced by mutual Nortel and Sipera customers where security was top of mind.”

The Sipera IPCS products offer Nortel Communication Server 2100 customers a variety of security functionalities including UC threat prevention, UC policy compliance, and secure UC access in a single device. The product family spans four different appliances supporting 200 to 100,000 users with throughput from 10 Mbps to 2 Gbps.

About Sipera Systems
Sipera Systems provides enterprises and service providers with comprehensive VoIP/UC security solutions that protect, control and enable real-time unified communications. The Sipera IPCS™ products combine VPN, Firewall/SBC, Intrusion Prevention, Anti-Spam, Compliance and Troubleshooting functionality for VoIP systems in a single device. This securely enables IP PBXs, VoIP remote users, SIP trunks, data/voice VLANs, hosted VoIP services and IMS or UMA-based networks. Comprised of top vulnerability research experts, the Sipera VIPER™ Lab concentrates its efforts towards identifying VoIP vulnerabilities, while Sipera LAVA™ tools verify networks’ readiness to resist attacks. Founded in 2003, and backed by Austin Ventures, DTEC, Sequoia Capital and Star Ventures, Sipera is headquartered in Richardson, TX. Visit http://www.sipera.com.

Sipera, Sipera logo, Sipera IPCS, Sipera IPCS 210, Sipera IPCS 310, Sipera IPCS 410, Sipera IPCS 510, Sipera IPCS 520, Sipera LAVA and Sipera VIPER are trademarks of Sipera Systems, Inc. All other companies and products listed herein are trademarks or registered trademarks of their respective holders.

Media Contacts:

Larry Bouchie, KMC Partners Public Relations, 617-758-4192, larry@kmcpartners.com

Brendan Ziolo, Sipera Systems, 214-606-1080, bziolo@sipera.com