Stefano Corsi wrote:
> I have two TDM2400 card with some 40 FXS modules and 4 FXO modules. I
> would like use analogue lines for outboud calls.
> How is it possibile to detect ANSWER?
you cannot. it's analogue, no signalling is done on it.
unless you write dsp routines to detect the right things
at the right moment :)
if you want exact cdr records, you must go digital.
There's still something I don't understand: when using a simple modem on
an analog line, you get correct answers from the modem: "NO ANSWER",
"BUSY", "NO DIALTONE", etc... why is this possible with these TDM2400
cards that cost twenty times as much?
I know that I'm probably missing something... could you help me
understand what?
Because the far end sends a carrier tone.
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