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RE: J1

2001-06-06 04:40:02
are sure of that.  What I mean is the notation   E1/T1/J1 

Sorry; those are time-division telephone trunk lines.

J1 is the Japanese version of T1, with 23 telephone channels.

I am sure it is cited in SS7, and belongs in ITU-T's Q-series,
but there is a good chance that NTT Japan hasn't gone to the 
silly expense of that process.

Cheers,
James



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