1 The Need for Enterprise Session Border Controller The E-SBC allows the enterprise to control its SIP implementation

W E C O N N E C T Y O U R S I P T R U N K T O A L L L E A D I N G I P – P B X S 2 Interoperability QoS NAT Traversal Security Authentication IDS / IPS Routing Encryption Diagnostics Remote Clients Redundancy Accounting

W E C O N N E C T Y O U R S I P T R U N K T O A L L L E A D I N G I P – P B X S Over a Managed Line PSTN Public Internet SIP Trunking Provider Network GW SIP System Data & VoIP LAN Firewall IP- PBX Managed SIP Trunk Over the Public Internet PSTN Public Internet SIP Trunking Provider Network GW SIP System Data & VoIP LAN IP- PBX SIP Trunk over Internet Firewall 3

W E C O N N E C T Y O U R S I P T R U N K T O A L L L E A D I N G I P – P B X S Confirmed Interoperability 4 Ingate SIParator ® -or- Ingate Firewall  360 Networks  Airespring  AT&T  BandTel  Bandwidth.com  Broadvox  BT (British Telecom)  Cablevision  Cbeyond  Cellip  Cordia Corporation  Deltacom  Excel Switching  Gamma Telecom  GEOS  Global Crossing  IP-Only  Nectar  Level 3  Netlogic  NetSolutions  Nexvortex  Nuvox  O1  One Communications  Paetec  Primus  RNK Telecom  Skype  TDC  Tele2  Tele Pacific  Teletek  TeliaSonera  Toplink  Tritel  VoEX  Voice Flex  VoIP Unlimited  Voxbone  XeloQ  XO More in pipeline… Service Providers  Aastra  Adtran UC Server  Digium / Asterisk  Avaya CM and SM  Cisco  Ericsson/Aastra MX-One  Fonality  Grandstream  HP/3Com - VCX  Innovaphone  Interactive Intelligence  Iwatsu  LG Nortel  Microsoft OCS / Lync  Mitel  NEC / Sphere  Nortel  Objectworld  Panasonic  Samsung  SER  Shoretel  Siemens  SIP-Gear  Swyx More in pipeline.... IP-PBXs Compliant with SIP Trunk Carrier Equipment  SER  Oracle  NSN  Acme Packet  Broadsoft  Genband  Sonus

W E C O N N E C T Y O U R S I P T R U N K T O A L L L E A D I N G I P – P B X S Network Installation Options 5

W E C O N N E C T Y O U R S I P T R U N K T O A L L L E A D I N G I P – P B X S  Eliminate interoperability issues  Resolve NAT traversal through the firewall  Security  Place the PBX in the private IP space  Authenticate to prevent theft of services  Protect against Denial of Service attacks  Eliminate single points of failure  Manage bandwidth for optimal voice experience  Measure quality of the voice  Encryption of Signaling and Media for privacy Why does the Enterprise need an SBC? 6

Please contact me at any time: Steve Johnson President Mail & SIP: Direct: