ProSBC: SIP Trunking

SIP Trunking

A SIP Trunk provides the same service you get from a traditional phone lines. The difference is, instead of being a physical wire, a SIP Trunk is a “virtual” line which is provided by a SIP trunk provider delivered over IP using the SIP protocol.

Benefits of SIP Trunking

  • Lower circuit costs
  • Lower PSTN origination/termination fees
  • Better customer service
  • Move offices and keep the same number
  • Flexibility
  • Scalability
  • Reliability

Typical SIP Trunking Sample

FreeSBC Sip Trunking new.png

Features of the ProSBC

  • Back-to-back user agent (B2BUA)
  • DOS/DDOS protection, dynamic blacklisting, and call access control
  • Easy to deploy, operate and manage through various interfaces including a RESTful API
  • Integrated network troubleshooting tools (traces, media/signaling recording, test call generation, etc)
  • Up to 60,000 simultaneous signaling and media sessions
  • Media transcoding
  • Flexible and extensive routing with SIP headers modification capabilities
  • Fit to install on virtual machines, clouds, bare-metal servers, or TelcoBriges' hardware.



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