Multi Tech Equipment ISIHI-2S 用户手册

Stentor

http://www.stentor.ca/

CanISDN: The Canadian ISDN Resource Centre

http://www.canisdn.net/

Stentor ISDN Services

http://www.stentor.ca/basie/products/isdn/isdn.html

Deutsche Telekom

http://www.dtag.de/dtag/

Euro-ISDN Informationen der Telekom

http://www.netcs.com/NetCS-Public/edss1.ger.html

France Telecom

http://www.francetelecom.com/

Sweden Telia AB Rgn V

http://www.west.telia.se/

Swiss Telecom

http://www.vptt.ch/

Netherlands Rollout voor de ISDN FAQ

http://student.twi.tudelft.nl/~s674129/rollout.html

Neuradne Telekom informacije (Slovenia)

http://www.abm.si/~dalibor/telekom/

Bezeq - Israel TeleComm

http://www.bezeq.co.il/

Israel

http://wwwold.technion.ac.il/teach/topnet/cnpp95/ISDN_in_Israel/isdn.html

Telestra

http://www.telstra.com.au/prod-ser/isdn/index.html

NTT

http://www.ntt.jp/

NTT official server

http://www.info.hqs.cae.ntt.jp/

NTT ISDN Info

http://www.info.hqs.cae.ntt.jp/SER/ISDN/ISDN.html

Russian ISDN Home Page

http://mp.aha.ru/koi/isdn/