[Asterisk-Users] TDM20B FXS card configuration?

[Rich Adamson]

> I am going to have a TDM20B FXS card and sit in it in my Asterisk box, I
> need out going calls only. I am quite a newbei of it, I hope your tips and
> tricks with valuable links. Thank you

The TDM20B (fxs) is for attaching analog phones. Is that what you want?

The TDM02B (fxo) is for attaching analog pstn lines to your asterisk
box, so that you can making out going calls via your existing pstn
lines.

Can't tell from your wording what you are asking for.