) are under significant pressure on Monday, falling more than 4% to $79.21. A little more than 900,000 APKT shares have traded hands on the session, compared to a 3-month daily average of 2.5 million. Acme Packet, Inc provides session border controllers (SBCs) that enable service providers, enterprises, government agencies and contact centers to deliver interactive communications, such as voice, video and other real-time multimedia sessions, across Internet protocol (