Jared Davison wrote:
I would like to hear from anyone good or bad as what their experience has
been in recent times with STABILITY of current builds of Asterisk and
drivers for TDM400P.

The sort of configuration is: 6 incoming POTS lines. ie. 2 TDM400P cards.

I am not concerned with: price points, or the advantages or disadvantages of
using POTS vs ISDN technology, but simply RELIABILITY & stability of the
Asterisk system & associated interface hardware and drivers.

Do people need to reboot their systems regularly?

There are a number of folks that have reported using two TDM400's reliably, and a few that have indicated three working.

One of the primary issues with using either two or three cards is finding a motherboard that allows the two cards to use different interrupts (to avoid shared interrupt issues). A second motherboard issue tends to be oriented around motherboards (mostly older ones now) that have a poor pci implementation (eg, north/south bridge chips on the motherboard).

Alternatives to two TDM400's include using the TDM2400 or Sangoma A200D where only a single pci slot is used for 1 to 24 fxo's and/or fxs's.

As of this moment, I have a single (low volume) system with both a TDM04b and A200D installed which will be used to compare the cards and provide a eval document addressing the advantages and disadvantages of each in certain production environments. The TDM2400 will be included in the mix when all the necessary cables and components are here.

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