There is the ITU V.150 that defines a framework for transmiting modem signals 
using VoIP,
in a efficient way, but there is no implementation other that R&D in big 
companies.

If you only want to forward an analog modem call over a PRI to the PSTN, you 
may need a
channel bank connected to the TE410E card. The use of a TDM400 from many post 
on the
lists seems unreliable for low speed faxes, so i guess it would be a nightmare 
to use
with a modem.

And if you are using an IDSN modem, well, i don't know if anybody has managed 
to put that
to work. If you manage to make it work, please add an entry in the wiki for 
that, i think
it would be "a little step for a man, but a great leap to asterisk".

Or you may be reconsider this setup and if the thing you want is to use some 
channels for
voice and others for data over de PRI, take a look in the hdlc setup for the 
TE410E, that
works link any NIC in /dev/hdlcX.


"A. Valentin" <[EMAIL PROTECTED]> wrote:
>Hi!
>
>We planing to by some PRI/BRI equipment to replace our existing telephone 
>system.
>So I am going to try this:
>ISDN Card Outgoing Digital Call /
>       Capability: Unrestricted digital information
> -> octobri -> asterisk -> TE410E
> -> Internet Provider / Receiver for Capability Unrestricted digital
>information
>
>The question is: Is asterisk possible of transmit this digital call to the
>destination and what is needed to achieve this?
>I  found out that a variable called CALLTYPE exists, but I could not find
>out, if the Dial applications set the capability for the outgoing call correct?
>
>Thanks in advance for our help,
>
> Andr�


=====
Miguel Ruiz Velasco

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