EXTERNAL HARDWARE MEDIA TRANSCODING SBC UNIT FOR TELCOBRIDGES’ PROSBC

The TelcoBridges TSBC-HW-TRANS is a carrier-grade hardware platform to transcode sessions processed by the ProSBC Session Border Controller. Supporting up to 2,744 transcoding sessions per enclosure, multiple TSBCHW-TRANS units can be stacked to reach a total of 30,000 transcoding sessions with a single instance of ProSBC.

Each Session Border Controller transcoding unit is managed independently by the ProSBC and does not require a public IP address to any VoIP peers connected to the SBC on the WAN/LAN networks.

The unit also allows for voice services such as prompt playback, call progress tones, and call recording to be inserted into a session’s call flow.

TelcoBridges SBC Transcoding Characteristics

  • 1U slim form factor
  • Telco-grade hardware with either AC or DC redundant power supplies
  • Transcoding capabilities for G711, G723, G729, AMR-NB, AMR-WB, T.38, DTMF and more
  • Add voice services to the SBC call flows

Detailed product information:

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Frequently Asked Questions

Transcoding is the process of converting one type of audio codec into another, allowing different networks, devices, or applications to communicate seamlessly. It ensures compatibility across VoIP networks while maintaining call quality and reliability.

To enable transcoding with ProSBC, you need a TSBC-HW-TRANS hardware unit supported by your deployment. To integrate the unit, you need proper network configuration and licensing for the codecs you plan to use. You’ll also need sufficient rack space, power, and connectivity to ensure the solution is fully supported and enabled for reliable operation. At TelcoBridges, our dedicated team of engineers can guide you through each step, helping with setup, integration, and ongoing management to make implementation seamless.

If two networks use incompatible codecs, voice calls may fail to connect, drop unexpectedly, or suffer from poor audio quality. This is where transcoding becomes essential. ProSBC with the TSBC-HW-TRANS seamlessly converts between codecs, ensuring calls are supported, enabled, and delivered with consistent quality across different VoIP networks.

Encoding compresses raw audio or video into a specific codec format for efficient transmission, while media transcoding converts an already encoded stream from one codec to another to resolve incompatible codecs between networks. In practice, encoding prepares media for delivery, and transcoding, often enabled within an SBC, ensures seamless communication by converting to supported codecs across different systems.