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With the Sangoma D100-060, IP telephony applications that require the use of multiple voice codecs can easily save on bandwidth. The D100 is used to digitally compress voice signals. Signals that come from the Public Switched Telephone Network (PSTN) arrive in the form of the G.711 codec, but the VoIP terminal equipment and networks can support a variety of different voice codecs, such as G.729, G.726, AMR, G.723.1, G.722, iLBC, etc.
VoIP infrastructure must mediate between endpoints supporting different codecs, but this functionality can require digital signal processing that is both costly and resource-intensive while also degrading the quality of the voice signals.
The D100-060 card is a PCI card that converts up to 60 simultaneous channels of transcoding available in the PCI form factor, converts 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 up to 60 channels of any-to-any voice codec conversion with unmatched quality*. All codecs are fully indemnified to ensure no additional licensing is required for their use**.
The Sangoma D100 works with both Asterisk and FreeSWITCH. With compatible drivers, these applications are able to use the D100 cards as seamless voice transcoding resources.
* Total port counts performance varies from codec to codec use and on the traffic mix at any given time
** Except for AMR and AMR-WB
