VoIP DSP card (S type) (DSP S) Digital signal processor card Compliant with ITU-T G.729A and G.711 codecs Provides 63 resources Install up to 2 on mother board Use with NS1000 system A DSP card is a digital signal processor card with DSP resources that can be used for VoIP calls, conferences, the Unified Messaging feature, and the DISA/OGM feature. The DSP cards are compliant with ITU-T G.729A and G.711 codec methods. Depending on the amount of your DSP resource needs, DSP S, DSP M, or DSP L cards can be installed. The number of resources provided by each type of DSP card is as follows: • DSP S card: 63 • DSP M card: 127 • DSP L card: 254 Up to 2 DSP cards can be installed on the mother board. To operate the PBX, at least one DSP S, DSP M, or DSP L card must be installed in one of the DSP card slots.
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