Homepage of N.A.T. GmbH N.A.T. provides embedded ISDN platforms for Primary Rate and Basic Rate as well as ISDN, ATM, X.25, Frame-Relay or ML-PPP software for embedded or Real-time systems.

ISDN Information Guide This site gives the information needed to add that super quick Internet connection via ISDN. This is a basic information guide on why everyone on the Internet should have ISDN.

Telecom Homepage met info over GSM, ISDN en telecomnieuws (Dutch only) Telecom Homepage met o.a. Libertel en PTT vraag en antwoord, ISDN info voor 'dummies', Productinformatie GSM telefoons en het laatste telecomnieuws. Ondersteuning voor browsers met en zonder frames.

UK ISDN Informaion and products Andrews & Arnold Ltd offer free information and advice on UK ISDN. We sell a range of ISDN equipment for basic rate Euro-ISDN suitable for use on UK BT and Cable ISDN lines.

Vembu Systems Pvt. Ltd. Home Page Networking solutions provider. Current projects - ISDN, V5.2, Java-based network management software, Wireless local loop.. Current Products - PCI Ethernet switch adapter, V5.2 Protocol tester...