[Asterisk-Dev] More Zaptel/BRI questions

Steven critch at basesys.com
Fri Jan 6 23:23:27 MST 2006


On Sat, 2006-01-07 at 04:26 +0100, janvb at caselaboratories.com wrote:
> James Harper wrote:

> We (europeans) use the term 2B+D for BRI and 30B+D for PRI  but be aware 
> that there are a difference between European and American versions here 
> as well. I don't know the US version but tend to remember that they use 
> 56kbps B channels etc.

Way back when there was still a lot of channelized T1s between COs you
could get a 7 bit line that reduced you to 56k. But now when most
everything is PRI or better, you rarely get a 56k link. The same thing
would happen in Europe if you passed over a non PRI line.

-- 
Steven <critch at basesys.com>




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