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Back to DSP Channel Densities for SBC 5000 and 7000 Series

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The matrix below depicts the maximum number of sessions between two codec types for an SBC 5200 equipped with the SPS100 module.

Info

If one or both SPS100DB modules are installed, multiply the values in the table below by a factor of two or three, as appropriate, to obtain DSP density values. DSP density values are approximate and intended for use as a general guide when estimating transcoding capabilities.

Values associated with the same codec (i.e. like-codec to like-codec) refer to re-packetization.

Note

Cells highlighted in the matrix below may be limited by bandwidth depending on packet size for the following SPS configurations/color combinations:

  • SPS100 + one SPS100DB: yellow
  • SPS100 + two SPS100DBs: yellow, green

SBC 5200 with SPS100 Installed

Codec Type G.711G.711SSG.722G.722.1G.723.1G.726G.729abT.38v0T.38v3AMR-nbAMR-wbiLBCEVRCEVRCb
G.711102728544576049925760576051844800134442242304364831682304
G.711SS8544854457604992576057605184N/AN/A42242304364831682304
G.7225760576028802592288028802688N/AN/A24001632220820161632
G.722.14992499225922496259225922496N/AN/A22081536201619201536
G.723.15760576028802592288028802688N/AN/A24001632220820161632
G.7265760576028802592288028802688N/AN/A24001632220820161632
G.729ab5184518426882496268826882592N/AN/A23041536211219201536
T.38v04800N/AN/AN/AN/AN/AN/A2400N/AN/AN/AN/AN/AN/A
T.38v31344N/AN/AN/AN/AN/AN/AN/A672N/AN/AN/AN/AN/A
AMR-nb4224422424002208240024002304N/AN/A21121440192017281440
AMR-wb2304230416321536163216321536N/AN/A14401152134412481152
iLBC3648364822082016220822082112N/AN/A19201344182416321344
EVRC3168316820161920201620161920N/AN/A17281248163215361248
EVRCb2304230416321536163216321536N/AN/A14401152134412481152
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