Some people may say that ISDN is dead, but that’s news to the millions who rely on ISDN Primary Rate Interface service for connecting PBXs and dial-up modem banks to the public network. While it’s ...

Where can I learn about the fundamentals of ATM and ISDN and can you explain why they are used? Integrated Services Digital Network (ISDN) is a 90's network technology that transmits digital signals ...

How do I connect ISDN PRI via a Cisco AS5350 to a VPN server? PRI on one side and IP on the other? As far as physical connectivity is concerned you need to match interface and, based up on the ...

In our recent series on ISDN, we mentioned in our discussion of the E-1 version of an ISDN Primary Rate Interface that one of the 32 DS-0s was already used for control purpose, so there were only 31 ...

A few weeks ago we wrote two newsletters about network-based services (see “Are you ready for network-based services? Part 1” and “Are you ready for network-based services? Part 2”), and we used the ...

This might sound foolish but I came into the project after the equipment was ordered and so i'm stuck with it. I have 2 sites. Each site has an ISDN PRI (switchtype dms-100) and a cisco 2612 router ...