Two news releases from Acme Packet

Acme Packet released two announcements this morning detailing their leadership in the industry, including a discussion of two reports that recognize Acme Packet as a leader in the session border control market.

Acme Packet Market Leadership Grows in 2006
Acme Packet builds commanding lead in session border controller market according to Dell’Oro Group and Infonetics Research

BURLINGTON, MA, MARCH 13, 2007 — Acme Packet® (NASDAQ: APKT), the leader in session border control solutions, today announced that leading market research firms, Dell’Oro Group and Infonetics Research, found that Acme Packet gained significant ground in the session border controller market in 2006. In their fourth quarter 2006 reports on the service provider VoIP equipment market, both firms showed Acme Packet as the leading session border controller vendor with market share over two times that of its closest competitor.

Infonetics Research reported that Acme Packet achieved 50% market share based on 2006 revenue. Dell’Oro Group reported that Acme Packet owned 45% market share based on 2006 revenue, up from 39% in 2005. Dell’Oro Group also showed that Acme Packet’s market share for session border controller sessions licenses was 69% for 2006.

“Session border controllers have become a critical component of IP networks as service providers look to deliver more advanced, premium IP communication services,” noted Stéphane Téral, Principal Analyst with Infonetics Research. “Acme Packet’s success stems from its leadership across many product dimensions, including signaling protocol breadth, feature depth, performance, capacity, manageability and configuration flexibility.”

“Acme Packet established the session border control market in 2002 when we first announced our products, and we have been the leading driving force behind it ever since. We believe our growing market share to date is attributable to our customer focus and dedication to improving our session border control solutions through innovative design and development,” said Andy Ory, president, CEO and co-founder of Acme Packet. “These reports by leading research firms are strong indicators that we are moving in the right direction and are meeting the demands of our customers around the globe.”

About Acme Packet
Acme Packet, the leader in session border control solutions, enables service providers to deliver trusted, first class interactive communications—voice, video and multimedia sessions—across IP network borders. Our Net-Net family has been selected by over 360 service providers in 75 countries to satisfy critical security, service assurance and regulatory requirements in wireline, cable and wireless networks. Our customers include 23 of the top 25, and 72 of the top 100 service providers in the world. These deployments support multiple applications—from VoIP trunking to hosted enterprise and residential services to fixed-mobile convergence; multiple protocols—SIP, H.323, MGCP/NCS and H.248; and multiple border points—interconnect, access network and data center. For more information, contact us at +1 781.328.4400, or visit www.acmepacket.com.

The second release points out some of their current and most recent
patents awarded, for a total of 58 secured and pending. It's noteworthy
that both Dell’Oro Group and Infonetics have recognized Acme Packet as
the market share leader in 2006. These announcements reinforce Acme
Packet’s dedication to innovation in the session border control field.

Acme Packet Innovation Recognized, 22nd Patent Secured
Acme Packet patented technology controls delivery of trusted, first-class, interactive IP voice, video and multimedia communications

BURLINGTON, MA, MARCH 13, 2007—Acme Packet® (NASDAQ: APKT), the leader in session border control solutions, today announced it has received its seventh U.S. patent, its 22nd overall, for its Net-Net® session border controller (SBC) product family. The seven U.S. patents and 15 additional foreign patents represent a broad portfolio of intellectual property developed over seven years. This latest achievement illustrates Acme Packet’s commitment to the technical innovation required to enable secure, high-quality interactive IP communications across access and interconnect network borders.

U.S. Patent Number 7,151,781, entitled, “System and Method for Providing Session Admission Control” was issued on December 16, 2006. This patent covers Acme Packet’s flexible call admission control algorithms. These algorithms are key elements in providing security and quality of service at network operator borders. In addition to the 22 existing patents, there are an additional 15 applications currently pending in the U.S. Patent Office and 21 foreign counterparts. The family of patents covers many of the key features and techniques used by session border controllers.

“Service providers face numerous challenges associated with delivering high-quality, secure VoIP and other forms of interactive IP communications. Session border controllers deliver the features and functions necessary for end-to-end delivery of these high-growth services,” said Brian Partridge, senior analyst for Yankee Group. “Acme Packet demonstrated strong customer acquisition and revenue growth in 2006, achieving market leadership status that stems from its strong product offering.”

“Acme Packet focuses on the pragmatic needs of today’s service providers in order to develop technology that solves problems encountered at IP network borders,” said Patrick MeLampy, co-founder and CTO of Acme Packet. “Our 58 issued and pending patents are another true measure of our leadership in this market, and are testament to Acme Packet’s continued commitment to delivering innovative, effective session border control solutions.”

The full list of issued patents can be found on the Acme Packet Web site (www.acmepacket.com) under Products/Intellectual Property Notices. The full text and claims of the Acme Packet patents may be found by conducting a patent number search utilizing the U.S. Patent Office’s website at http://www.uspto.gov/patft/.

About Acme Packet
Acme Packet, the leader in session border control solutions, enables service providers to deliver trusted, first class interactive communications—voice, video and multimedia sessions—across IP network borders. Our Net-Net family has been selected by over 360 service providers in 75 countries to satisfy critical security, service assurance and regulatory requirements in wireline, cable and wireless networks. Our customers include 23 of the top 25, and 72 of the top 100 service providers in the world. These deployments support multiple applications—from VoIP trunking to hosted enterprise and residential services to fixed-mobile convergence; multiple protocols—SIP, H.323, MGCP/NCS and H.248; and multiple border points—interconnect, access network and data center. For more information, contact us at +1 781.328.4400, or visit www.acmepacket.com.