If you are curious how ISDN ranks up against ADSL and Cablemodems
in terms of price, speed, etc.. check out my
Cablemodems page for a cool comparison page.
Since Mitel has bought Gandalf, I have not seen or heard anything about any products from them. Gandalf products that are still supported include:
Other Mitel (Gandalf) News:
Jump to Gandalf's Press Releases for more information
C|Net: Check out their May 14th, 1997 review of (22) ISDN T/As
[New ISDN products are being added to this list as I have time so check back often. If you have a question about a product not listed here, drop me an e-mail]
The Ascend Max4004 BRI/PRI/Modem Remote Access server [No posted info yet.. e-mail if you have any specific Questions]
The Cisco AS5200 and AS5300 BRI/PRI/Modem Remote Access server [No posted info yet.. e-mail if you have any specific Questions]
The Gandalf Xpressway/Stack RLAN BRI/PRI/Modem remote access server
Check out my FAQ on the older 5242 Edge Router setup
Check out John Dwyer's excellent general Gandalf FAQ
The Shiva AccessPort BRI router [No posted info yet.. e-mail if you have any specific Questions]
3/18/97 Information on Linux drivers for the USR Sportster 128k ISDN card
The Courier I-modem [No posted info yet.. e-mail if you have any specific Questions]
The USR TCM16 PRI/BRI/Modem Remote Access server [No posted info yet.. e-mail if you have any specific Questions]
Information on Linux drivers for the USR Sportster 128k ISDN card
Serial ports (16650, 16750, +):
Synchronous vs. Asynchronous serial interfaces
ISDN Cause Codes to decode what these cryptic ISDN errors really mean.
Need some help or tech support for your ISDN T/A, Router, or some help
with setting up your operating system? Check out
.
They have all kinds of helpful info here.
Check out Jayaprakash's Masters project: He will be designing, building, and coding for a passive ISDN T/A. I hope that he releases his Q.921/Q.931 code to the Linux community to better support other T/As like the USR Sportster128K, etc. Check it out.. very detailed!
Programming ISDN? Looking for specific information on q.931, etc? Check out a few of these links:
All of the ITU Q.921 and Q.931 recommendations online
Q.921 and Q.931 Implementation from SunShine.
Last Updated: 07/19/98