[asterisk-users] FXS damaged at TDM22B

[Matt Riddell]

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Zoa wrote:
> I'd say check with Digium, maybe it's supposed to not break (i 
> personally don't think it would break it, i'd have noticed it already 
> :)  if you plug it to the wrong thing and you will get a replacement for 
> free.

I thought on the older TDM400P cards that the voltage coming in from a
ring would destroy an FXS module?

We have a strange situation here in New Zealand where you have analogue
DDI numbers.

Basically you provide a dialtone to the exchange, the exchange provides
a dialtone to you, and if a normal call comes in it rings you as normal.

If a DDI call comes in, it seizes the line, then dials the extension
(last four digits of the DDI).

I was running a site off a GXW4008 gateway, but it had problems (I'm
assuming with the bidirectional ringer voltages).

We changed them over to BRI :)

- --
Kind Regards,

Matt Riddell
Director
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