Useful Links

Please select a heading below...

H.323 & SIP

www.h323.org
H.323.org is a site dedicated to making H.323 a free and open standard for internet use.

www.sipcenter.com
The SIP Center is a useful central resource for the Session Initiation Protocol.

PDS Supplier Sites

www.intec-isdn.de
Argus hand held ISDN and xDSL test telephones.

www.zti-telecom.com
LanTraffic V2, IP Test & Measure and NetDisturb.

Standards Organisations

www.etsi.org
The European Telecommunications Standards Institute.

www.itu.org
The International Telecommunications Union.

www.ansi.org
American National Standards Institute.

Useful xDSL Sites

www.adsl.com
The DSL forum.