[Asterisk-doc] Connecting to a PRI

[Jim Van Meggelen]

asterisk-doc-bounces at lists.digium.com wrote:
> On Thursday, August 11, 2005, 21:28:18, Nick Bachmann wrote:
>>> ...
>> As other people have pointed out, T1s are North American. The
>> generic term DS1 is probably best here--a DS1 can be an E1,
>> T1, J1, etc. 
> 
> Isn't E1 32 DS0's whereas DS1 is 24 DS0's?

E1 is 32 DS0s, T1 is 24 DS0s, 

A DS1 is a trunking facility which is composed of DS0s. In some parts of
the world, a DS1 will be 32 Channels, in others, A DS1 will be 24
channels. This inconsistency is probably why the term DS1 is so rarely
used - it begs the question: E1 or T1?

Jim.


--
Jim Van Meggelen
jim at vanmeggelen.ca
http://www.oreillynet.com/pub/au/2177

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