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Press release from Business Wire

HanseNet Utilizes Acme Packet for Intelligent Network Expansion

<p class='bwalignc'> <i>Net-Net 4500 session border controllers offload core network elements to reduce CAPEX and secure DSL-based VoIP service</i> </p>

Monday, December 06, 2010

HanseNet Utilizes Acme Packet for Intelligent Network Expansion08:30 EST Monday, December 06, 2010 BEDFORD, Mass. (Business Wire) -- Acme Packet® (NASDAQ: APKT), the leader in session border control solutions, today announced that leading German service provider HanseNet Telekommunikation GmbH (HanseNet) has deployed Acme Packet's Net-Net 4500 Session Director (SD) session border controllers (SBCs) for use in its Alice DSL consumer VoIP service. The eight Net-Net 4500 high availability (HA) pairs are positioned in HanseNet's access network, operating in a fully-meshed topology that delivers resilience, security and traffic load management to all of HanseNet's installed softswitches and media gateways. Founded in 1995, Hamburg-based HanseNet has operated as a subsidiary of Telefonica O2 Germany GmbH & Co. OHG since February, 2010. HanseNet offers voice and data services as well as multimedia and Internet access and complete telecommunications solutions over its extensive broadband access network. In addition to Alice DSL, HanseNet offers fixed line, mobile and HDTV triple play services to consumers and businesses. An Acme Packet customer since 2007, HanseNet currently services more than 2 million residential and business subscribers in its fast-growing footprint. With its growing service and subscriber base, HanseNet chose the Net-Net 4500 SD to offload key functions from its softswitches and to block certain types of traffic from reaching its core network. By reducing core signaling load, HanseNet was able to avoid expensive softswitch capacity upgrades and implement more effective distribution and controls over the signaling traffic that is processed by its core switches. “Acme Packet's session border controllers helped us save money by enabling more efficient use of our core network capacity,” said Sebastian Seggert, network development project manager for HanseNet. “The Net-Net 4500 is helping us manage the growth of voice traffic over our network so that our expansion into new PoPs throughout the country can be conducted more efficiently.” HanseNet's Net-Net 4500 SDs are configured to deliver functionality that HanseNet estimates has gained them 10% - 20% in overall softswitch capacity while reducing overall costs. These functions include: Access controls that prevent registration by unauthorized or unsupported endpoints Filtering of bad or malformed packets before they reach the softswitch Denial of service (DoS) attack protection, which defends HanseNet's core switches against potentially debilitating signaling overloads or protocol-based attacks Rate limiting of SIP signaling traffic to prevent non-malicious overloads and spikes such as those caused by high-volume SIP re-registration events Signaling normalization, which extends HanseNet's service reach to a broader range of consumer endpoints while reducing expensive softswitch reconfiguration “We are pleased that long-standing customers such as HanseNet are continuing to invest in Acme Packet solutions as a way to extend and expand its service offerings,” said Dino Di Palma, vice president of worldwide sales and business development for Acme Packet. “As the leading regional service provider in the north of Germany, HanseNet is intelligently positioning itself for further growth by leveraging the many capabilities of our industry leading SBC solutions.” About Acme Packet Acme Packet (NASDAQ: APKT), the leader in session border control solutions, enables the delivery of trusted, first-class interactive communications—voice, video and multimedia sessions—and data services across IP network borders. Our Net-Net family of session border controllers, multiservice security gateways and session routing proxies supports multiple applications in service provider, enterprise and contact center networks—from VoIP trunking to hosted enterprise and residential services to fixed-mobile convergence. They satisfy critical security, service assurance and regulatory requirements in wireline, cable and wireless networks; and support multiple protocols—SIP, H.323, MGCP/NCS, H.248 and RTSP—and multiple border points—service provider access and interconnect, and enterprise access and trunking. Over 10,000 Acme Packet systems have been deployed by more than 1,180 customers in 105 countries. They include 92 of the top 100 service providers in the world and 11 of the Fortune 25. For more information, contact us at +1 781.328.4400, or visit Acme Packet Safe Harbor Statement Statements contained herein that are not historical fact may be forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. Such forward-looking statements may relate, among other things, to our position in the session border control market, our expected financial and operating results, our ability to establish and maintain intellectual property rights, our ability to build and grow Acme Packet, the benefits and advantages of our products, including any enhancements or new features, services and programs, and our ability to achieve our goals, plans and objectives. Such forward-looking statements do not constitute guarantees of future performance and are subject to a variety of risks and uncertainties that could cause our actual results to differ materially from those anticipated. These include, but are not limited to: difficulties in growing our customer base, difficulties leveraging market opportunities, difficulties providing solutions that meet the needs of customers, poor product sales, long sales cycles, difficulty developing new products, difficulty in relationships with vendors and partners, higher risk in international operations, difficulty managing rapid growth, and increased competition. Additional factors that could cause actual results to differ materially form those projected or suggested in any forward-looking statements are contained in our recent filings with the Securities and Exchange Commission, including those factors discussed under the caption “Risk Factors” in such filings. Media and Industry Analysts:CHEN PRRamya Kumaraswamy, +1-781-672-3147rkumaraswamy@chenpr.comorInvestor Relations:Acme PacketBrian Norris,