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Kealy Kevin
- 1. VoIP Security… March 18, 2008 Kevin Kealy AT&T Security Scientist Before we begin… The Dark Side Delivered
- 5. AT&T VoIP Functional Architecture © 2008 AT&T Intellectual Property. All rights reserved. Page Voice Applications Common VoIP Connectivity Layer IP/MPLS Converged Network MGCP Border Element SIP Border Element H.323 Border Element VoIP Network Element PSTN Network Gateway Border Element VoIP Application Server Customer Premises Layer H.323 Endpoints MGCP Endpoints SIP Endpoints
- 6. © 2008 AT&T Intellectual Property. All rights reserved. Page AT&T VoIP Security Domains Customer Premises Domain AT&T VoIP Border Domain Common VoIP Connectivity Layer IP/MPLS Converged Network Voice Applications MGCP Border Element SIP Border Element H.323 Border Element VoIP Network Element PSTN Network Gateway Border Element VoIP Application Server Customer Premises Layer H.323 Endpoints MGCP Endpoints AT&T VoIP Infrastructure Domain SIP Endpoints
- 7. End-to-end Security Domains © 2008 AT&T Intellectual Property. All rights reserved. Page Customer Premises Border Domain AT&T Border Domain Customer Premises Domain IP/MPLS Converged Network Voice Applications MGCP Border Element SIP Border Element H.323 Border Element VoIP Network Element PSTN Network Gateway Border Element VoIP Application Server Customer Premises Layer H.323 Endpoints MGCP Endpoints AT&T VoIP Infrastructure Domain SIP Endpoints Common VoIP Connectivity Layer
- 10. AT&T Internal MPLS VoIP VPN © 2008 AT&T Intellectual Property. All rights reserved. Page AT&T VoIP Border Domain AT&T VoIP Infrastructure Domain AT&T MPLS VoIP VPN IP Border Element IP Border Element IP Border Element Network Gateway Border Element VoIP Application Server VoIP Network Element PSTN
- 11. AT&T MPLS VPNs © 2008 AT&T Intellectual Property. All rights reserved. Page
- 13. AT&T Hub and Spoke MPLS VoIP VPN © 2008 AT&T Intellectual Property. All rights reserved. Page
- 15. Summary © 2008 AT&T Intellectual Property. All rights reserved. Page AT&T ASPR and OneProcess AT&T Security Innovations AT&T MPLS Security and QoS AT&T VoIP Security
- 16. © 2008 AT&T Intellectual Property. All rights reserved. Page Thank You!
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