Company:  ACME PACKET INC
Form Type:  5
Filing Date:  2/14/2012 
CIK:  0001130258 
Address:  100 CROSBY DRIVE 
City, State, Zip:  BEDFORD, Massachusetts 01730 
Telephone:  781-328-4400 
Fiscal Year:  12/31 
Description of Business
Register for a Free Trial and access this filing in:     
  FORM 5
    NAME AND TITLE
    NON DERIVATIVE SECURITIES
    DERIVATIVE SECURITIES
    EXPLANATIONS AND REMARKS
    REPORTING OWNERS
    SIGNATURES