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Sangoma D500 Voice Transcoding PCI-e Card - 800 Sessions

Sangoma D500-200E

Sangoma D500 Voice Transcoding PCI-e Card - 800 Sessions

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sangoma

D500 Transcoding board, 2 transcoding modules, up to 800 sessions, PCI Express Bus

Most IP telephony applications require the use of multiple types of voice codecs, which are used to digitally compress voice signals, to save on bandwidth requirements. While voice signals from the Public Switched Telephone Network (PSTN) always come in the form of the G.711 codec, the VoIP terminal equipment and networks support a variety of different voice codecs including such as G.729, G.726, AMR, G.722, iLBC, etc. VoIP infrastructure most often needs to include the capability to mediate between endpoints supporting different codecs, but this functionality often requires digital signal processing tasks that are costly, resource intensive and can affect the quality of the voice signals if it introduces too much latency and delay.  

The D500 card converts numerous simultaneous channels of transcoding from one type of codec (e.g. G.711) to another (e.g. G.729), without affecting latency or using up precious host CPU resources. The card allows running up to 2000 sessions of any-to-any voice codec conversion, with unmatched quality1. All codecs are fully indemnified; no additional licensing is required for their use2

The D500 works with both Asterisk and FreeSWITCH. With compatible drivers offered by Sangoma, these applications can use the D500 cards as seamless voice transcoding resources. Alternatively, developers and integrators can use the Transcoding API in C for their own application development.

 

d500 diagram

 

Sample Applications:

  • Hosted VoIP
  • PBX with HD Voice
  • IP Network Peering
  • Hosted PBX
  • Call Centres

Additional Information

ModelD500-200E
ManufacturerSangoma
ConditionNew
Form FactorPCI-express
FXO PortsN/A
FXS PortsN/A
T1/E1 PortsN/A
ISDN BRI PortsN/A
Transcoding Ports800
Echo CancellationN/A
Protocols SupportedN/A
Codecs SupportedN/A
DownloadsN/A
VideoN/A

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