Digium TCE400B PCI-Express

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Digium TCE400B PCI-Express


VoIP Transcoding PCI-Express x1 card for 120 G.729a or 92 mixed channels of G.729a/G.723.1. The TCE400B PCI-Express is a dedicated codec translation card supporting G.729A and G.723.1. This is a great card for building gateways or for large enterprise environments. The TCE400B is a bundle of the half-length, low-profile PCI-Express x1 TCE400P base card and the TC400M voice processing module. The TCE400B is designed to handle, in dedicated DSP resources, the complex codec translations for highly compressed audio as would otherwise be processed by Asterisk in software.


Features and Functions


  • TC400M Voice Processing Module
  • TC400P - Half-Length Low-Profile PCI 2.2+ 3.3/5.0V Card
  • Half-Length Low-Profile PCI-Express x1 Card

Codec Support

  • G.729a - 8.0kbit/s
  • G.723.1 - 6.3kbit/s (decode-only)
    5.3kbit/s (decode/encode)
  • G.711 µ-law, G.711 a-law
  • Includes Codec Licensing and Indemnification
  • 120 G.729a, 92 G.723.1 Transformations


  • DAHDI 2.2.0 or greater and
    Asterisk or greater
  • Linux Kernel 2.6

Digium TCE400B PCI-Express

Digium TCE400B PCI-Express