ISDN Tutorial - Kudos and Cross-References

You like it, you really like it!

As you may have noticed on the Index page, this tutorial has had, to date, over 250,000 visitors! Dozens of you have taken the time and effort to let me know what you thought of it, and practically all of it has been praise (I suppose if you didn't like it, you just didn't bother telling me). Here's a sampling:

- "This is a great ISDN tutorial. Thank you for explaining exactly what ISDN is. It looks like a soon emerging technology and I hope it becomes affordable for everyone."
- "Thank you so much. Your site is very helpful."
- "Thanks- now I vaguely understand ISDN. Yours is by far the best explanation I've seen. Maintain this guy."
- "My congratulations. Your ISDN Tutorial was very useful for me."
- "Great job on this information! The ISDN Tutorial was well organized, well written, and easy to follow for someone not technical."
- "Thanks for the excellent tutorial, without such a clear and simple overview I would be totally lost."
- "I just finished reading Ralph's ISDN tutorial and found it to be extremely informative. I'm relatively new to ISDN, and this tutorial was exactly what I needed. It provided the key details about ISDN and provided just the right depth of both technical and historical information. I also found the style of writing very "readable". Good job!!"
- "I just read throught your isdn tutorial and really liked what I saw! I was especially interested in the pages on Layer 1-3. I've not seen the various message broken apart before like you did here; that was good. Thanks for the good job!"
- "Excellent! Format is clear and concise! thanks for provide this service to the net community."
- "Just to say the tutorial is very informative and thanks for putting it up there."
- "I would just like to thank you for the information you have provided on ISDN, I am currently doing a project on isdn, and your document has helped me greatly the links to other resources have also been very useful."
- "Many thanks for the ISDN tutorial. I'm trying to review for possible questions on a promotion interview and it helped a lot."
- "Just wanted to say thanks for the effort you put into this site."
- "I would like to say that your site helped me big time. I have an interview for a job working with ISDN PRI and BRI. Your site saved my *ss."
- "Outstanding tutorial."
- "Great job putting this info available. It is more stuff like this that we need in the web. You have really been helpful in helpfing me with my ISDN knowledge. I work in the technology dept and reading about ISDN in you page will make the decision on our communications much more understandable. Keep up the good work."
- "I accessed your page while preparing a paper on ISDN for a class. Lots of useful information. Thanks!"
- "Nice to see some CLEAR info on ISDN!!! Helps me a lot for my job."
- "I just wanted to say "Thanks" for providing all of out in here in CyberSpace information regarding ISDN.
It is people like yourself taking the time to compile valuable information on important topics and making it available to the world that make the internet worth having."
- "Great job!!!!!"

Even more impressive to me, this tutorial has been referenced and linked to on many Web pages. Through the magic of search engines, I now present a list of all the references I could find. If you have, make, or know of another, please let me know and I'll be happy to add it.

ISDN Tutorial - Kudos and Cross-References

You like it, you really like it!

First, some famous sites:

Education Recommendations:

International References:

Everyone Else: