[asterisk-users] comparing pots solutions for asterisk

[Eric Fort]

I've been looking at various solutions for getting FXS and FXO lines in and
out of asterisk. one solution is using TDM-400 cards.  Another solution is
using the grandstream GXW400x and GXW410x gateways.  Cost per port seems
lower on the gateways and no pci slot is required.  Why would one choose to
use the TDM-400 cards?  what would be the advantages and disadvantages of
each approach?

Eric
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