Friday, May 2, 2008

U.S. Switched Access and ISDN Lines

If there are any old ISDN hands out there like myself you might like to see the charts I just published on my own website They show that U.S. BRI and PRI lines seem to have stabilized over the last couple of years. BRI are declining slightly and PRI are now growing slightly. There was a big drop in 2002 through 2004, probably due the conversion of dialup to broadband, but since 2005, the number of PRI has grown.

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