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Adapting Legacy Phone Systems to VoIP


presented by:
Vincente Dâ„¢Ingianni
Director of Professional Services
Binary Systems, Inc.


Whatâ„¢s inside the PSTN?
Whatâ„¢s inside the IP network?
VoIP gateways
Connecting the IP network to the PSTN
Bandwidth
Remote PSTN users “ The Old Way
Remote VoIP users “ The New Way
Remote PSTN locations “ The Old Way
Remote VoIP locations “ The New Way
Do I need a Softswitch?
Do I need a VoIP carrier?



Key Points to Remember
Donâ„¢t underestimate the complexity of the PSTN and IP network
Choose the right VoIP Endpoint for your application
Follow the industry “ Use SIP for new installations
Analog FXS or FXO Gateways for lines and key systems
Digital Trunking Gateways for PBXs
IP phones for new user installations
Be sure you can support T.38 for faxes and bypass for modems
Be sure you have a big enough IP pipe to add voice
SIP and H.323 VoIP Gateways can provide stand-alone routing and feature functionality
Use a Softswitch to manage numerous gateways and advanced features
VoIP carriers can provide connectivity beyond your private network
Yes, you can cut the cord to the PSTN