Company:  ACME PACKET INC
Form Type:  10-Q
Filing Date:  8/6/2012 
CIK:  0001130258 
Address:  100 CROSBY DRIVE 
City, State, Zip:  BEDFORD, Massachusetts 01730 
Telephone:  781-328-4400 
Fiscal Year:  12/31 
Description of Business
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  FORM 10-Q
    PART I - FINANCIAL INFORMATION
      Item 1 - Financial Statements
        BALANCE SHEET
        BALANCE SHEET
        INCOME STATEMENT
        CASH FLOW
        NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
      Item 2. Management's Discussion and Analysis of Financial ...
      Item 3. Quantitative and Qualitative Disclosures About ...
      Item 4. Controls and Procedures.
    PART II - OTHER INFORMATION
      Item 1. Legal Proceedings.
      Item 1A. Risk Factors.
      Item 2. Unregistered Sales of Equity Securities and Use of ...
      Item 3. Defaults Upon Senior Securities.
      Item 4. Mine Safety Disclosures.
      Item 5. Other Information.
      Item 6. Exhibits.
    SIGNATURES
  EXHIBIT 31.1
    CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO
  EXHIBIT 31.2
    CERTIFICATION OF CHIEF FINANCIAL OFFICER PURSUANT TO
  EXHIBIT 32.1
    CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND