BURLINGTON, MA, September 1, 2009 — Acme Packet® (NASDAQ: APKT), the leader in session border control solutions, today announced that it will be showcasing wireless access, core session routing and network interconnect solutions at two industry wireless events in September: The 4G Wireless Evolution (4GWE) in Los Angeles (September 1–3) and 4G World in Chicago (September 15–18). Acme Packet will highlight solutions to help fixed and mobile service providers smartly simplify communications delivery and minimize costs while building a network that can deliver compelling communications services. In addition, Acme Packet will be participating in conference panel discussions at both events.

Acme Packet representatives will be at both shows to demonstrate Acme Packet’s solutions in the delivery of IP voice, video and data services over 3G and 4G RANs, fixed-mobile convergence networks, VoIP interconnects and core transport networks. Acme Packet will also highlight the key role its Net-Net® product family plays in GSMA IPX, PathFinder and Rich Communication Suite (RCS) initiatives. To schedule a meeting with Acme Packet, complete the meeting request form on the Acme Packet website.

At 4GWE, Acme Packet will be exhibiting in booth 4G4 on the floor of ITEXPO and is a platinum sponsor of the event. Don Troshynski, Technical Director at Acme Packet, will present “Giving Voice to 4G” for the Mobile Broadband Applications track on Tuesday, September 1, 12:45-2:00 pm. The session will explore challenges that mobile operators face as they evaluate the options in providing voice and interactive communication services over 4G LTE or WiMAX broadband access networks. Troshynski will also participate in the Femtocell Solutions session covering femtocell security and SIP/IMS challenges and solutions. More information on 4GWE, including the speaking program, is available on the 4GWE website.

As a gold sponsor, Acme Packet is exhibiting in booth 623 on the 4G World show floor. Acme Packet’s Director of Solutions Marketing, Kevin Mitchell, will be speaking in the “WiMAX and 4G Intelligent Network Services” panel discussion on Wednesday, September 16, 2:45-3:45 pm. This session will focus on how voice and other value-added services will be delivered over 4G LTE and WiMAX access networks. More information is available on the 4G World website.

About Acme Packet
Acme Packet, Inc. (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. Our products have been selected by more than 830 customers in 95 countries. They include 48 of the top 50, and 89 of the top 100 service providers in the world; and 8 of the Fortune 25. For more information, contact us at +1 781.328.4400, or visit www.acmepacket.com.