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Securing Communications
VoiceCon Orlando 2010
Dan York, CISSP

   Director of Conversations, Voxeo

   Best Practices Chair, VoIP Security Alliance
About Dan York



                                               www.voipsa.org
                         www.voxeo.com




                      www.blueboxpodcast.com     www.7ducattacks.com


© Voxeo Corporation
About Voxeo

        Founded in 1999
        World’s largest hosted VoiceXML and CCXML platform – Over
         82,000 hosted ports globally; hundreds of premise deployments
        Over 100,000 developers using Voxeo platforms
        The Voxeo difference: Unlocked Communications, Customer
         Obsession Teams, Communications Passion
        www.voxeo.com




© Voxeo Corporation
SIP              SIP
                                Proxy            Proxy
                                  A      SIP       B

                          SIP                             SIP




                      Alice                                Bob
                                Media (RTP, MSRP, etc.)




© Voxeo Corporation
SIP           SIP             SIP             SIP         SIP
                      Proxy         Proxy           Proxy         Proxy         Proxy
                       A      SIP    B      SIP      C      SIP     D     SIP    N

          SIP                               Internet                                    SIP



                                    Media                   Media
  Alice                             Proxy                   Proxy                        Bob
                      Media           A           Media       B             Media




© Voxeo Corporation
Laptop
                                                                  UC
                                                                 client
                                                   WiFi
                   UC
                 System
                          Firewall   Internet      Café
                                                  Router



              Corp HQ 
                                        Mobile
                                         Data
                                        Network        Mobile
                                                        UC
                                                       client




© Voxeo Corporation
Corporate
                                                    Internet
                       Network


                                              IVR              Voicemail
              IM           IM         IM

          Presence      Presence   Presence

             Call         Call       Call
            Control      Control    Control




       Corp HQ         Office A      Office B 




                       PSTN


© Voxeo Corporation
Internet




                          Corporate                         Corporate
                           Network                           Network



                        UC           UC                   UC           UC
                      System       System               System       System



                Corp HQ           Office A               Corp HQ      Office A 

                           Company A                         Company B 

© Voxeo Corporation
ITSP
                                 (Boston)




                      Internet
            PBX                  ITSP
                                 (Paris)
                                            PSTN

       Corp HQ 



                                 ITSP
                                 (Tokyo)




© Voxeo Corporation
© Voxeo Corporation
ITSP
                                                                           ITSP                         ITSP
                                                          ITSP
                                  ITSP

                                                                                            ITSP

                                                                                                                ITSP
                    ITSP
                                                       ITSP
                                                                          ITSP              ITSP
                                         ITSP
                                                                                                           ITSP



            ITSP                                       PSTN                       ITSP
                                     ITSP

            ITSP
                                                                                                 ITSP
                                                   ITSP            ITSP
                           ITSP

ITSP
                                                                                          ITSP
                                                                                                         ITSP

            ITSP                  ITSP      ITSP                        ITSP



                                                                                         ITSP       ITSP
ITSP                    ITSP                    ITSP             ITSP          ITSP
  © Voxeo Corporation
Securing Communications - VoiceCon Orlando 2010

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Securing Communications - VoiceCon Orlando 2010

  • 1. Securing Communications VoiceCon Orlando 2010 Dan York, CISSP
 Director of Conversations, Voxeo
 Best Practices Chair, VoIP Security Alliance
  • 2. About Dan York www.voipsa.org www.voxeo.com www.blueboxpodcast.com www.7ducattacks.com © Voxeo Corporation
  • 3. About Voxeo   Founded in 1999   World’s largest hosted VoiceXML and CCXML platform – Over 82,000 hosted ports globally; hundreds of premise deployments   Over 100,000 developers using Voxeo platforms   The Voxeo difference: Unlocked Communications, Customer Obsession Teams, Communications Passion   www.voxeo.com © Voxeo Corporation
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