[asterisk-dev] TDM cross-connect.

[Matthew Fredrickson]

On Mar 28, 2007, at 11:49 AM, Alex Balashov wrote:

> On Wed, 28 Mar 2007, Matthew Fredrickson said something to this effect:
>
>> Yes.  The TE4XXP and TE2XXP do this, as well as the TDM24XXP and 
>> TDM8XXP cards.
>
>   On a hardware bus level?  i.e. so Asterisk does not have to have any 
> software and/or transcoding involvement in the media path, apart from
> what might be rudimentarily necessary?

Yes.  When doing this, the data doesn't cross the PCI bus, it goes 
directly from the TDM time slot to TDM time slot on the card.  It's 
called TSI or time slot interchange.

Matthew Fredrickson