This is very important question. I also need to know this thing. I understand it must be possible technologically. When SONET digital signal levels are interfaced with hi-end routers serial ports. I expect further discussion.
Well, no doubt ISDN is a grwing technology and it provides much higher bandwidth compared to PSTN. WIth latest 56K modem technology, we can hardly achieve 28 K. Whereas through ISDN BRI 128K is available. Thus ISDN has become a cost-effective alternative for companies whose needs do not...
