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IP Dual Port PBXgateway and Remote System Administrator’s Guide
64
Bandwidth Management Formula
If different voice compression methods are required for each port being extended the
following formula will assist in calculating the required bandwidth:
(A x 30) + (B x 50) + (C x 60) + (D x 90) = E
where:
A = number of ports using G.729A
B = number of ports using ADPCM32
C = number of ports using ADPCM24
D = number of ports using G.711
E = total bandwidth required
Document Number: M-4100-MUC
Version: Rev AA
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