Examples

Examples How ENUM Can Be Used

On this page, we present examples how ENUM can be used. If you want to share your experience with ENUM with a broad public on our website, please contact us at dbs[at]denic[dot]de.

ENUM Implementations

Up to date, most implementations use ENUM as a routing technology for Voice-over-IP communication. So the users have the advantage of the lower call costs and benefit from the additional functions of ENUM, such as the possibilities of integrating video conferences or working at documents jointly.

Ulm University: implementation of an exchange system with ENUM functions for students and staff

Fraunhofer Institute Centre Birlinghoven (IZB): linking of voice-over-IP islands

Saarland University: VoIP service for all students

Monduno: How to implement ENUM and VoIP with Asterisk

Products with ENUM

To be able to use ENUM, users and service providers need the appropriate technical infrastructure. Today, you find some hard- and software products that enable you to make use of the benefits of ENUM or to generate ENUM services for both private and professional users on the market.

Hardware 

TeamSIP Appliance exchange system

Innovaphone exchange system

SNOM IP telephone

Voxeo VoiceCenter fusion servers

Intertex IP phones, modems and switches

Q exchange system, IP exchange system, IP phones

Software 

Softphone clients for PCs

ENUM client software for Windows by Kapsch Carriercom

ENUM client for mobile devices by NASK

ENUM RTC softphone by enum.at

Ekiga (Open-Source VoIP client for Linux)

LANCOM Advanced VoIP client by LANCOM Systems GmbH

Linphone (software phone solution for Linux)

Server Software

Asterisk (software exchange system)

Astimax (software exchange system)

SER (Sip Express Router)

GNU Gatekeeper (H.323 gatekeeper)

Voxeo VoiceCenter (interactive voice response system)

DNS Software 

BIND (DNS server implementations by ISC)

PowerDNS (DNS server)

Nominum CNS (DNS server)

MyDNS (DNS server with NAPTR support)

Registry-registrar interface (extension of the Extensible Provisioning Protocol (EPP) to ENUM) by NASK

Application Development Systems

ReSIProcate (object-oriented SIP stack in C++ for Windows and Linux)

Net-DNS-0.59 (Perl DNS resolver module)

ENUM-Client library/ENUM SDK (in Perl) Japan NIC

ENUM Services

ENUM links the world of classical telephony with that of the Internet and enables VoIP service providers to address new customers (both private and commercial ones) and to offer them attractive additional services.

Examples for VoIP services using ENUM:

VOIP 2.0 (Portunity GmbH)

TeamSIP (TeamFON GmbH)

officeConnect (outbox AG)

Iptel.org

dus.net (dus.net GmbH)

PURtel (PURtel.com GmbH)

freenet iPhone (freenet AG)

bluesip (ccn corporate communication networks GmbH)

 The Voice Peering Fabric (Stealth Communications)

 Managed DNS Services NGN Service Platform (AG Projects)

 NGN Routing Engine (AG Projects)

 ESP SOAP-Connector (T-Systems Nova)

 eNUM2go (Sentiro)

 Managed ENUM/SIP Services (Takea AB)

 MissiSIPpi IP Centrex (Kapsch CarrierCom AG)

The webpages listed below offer you features to check whether an ENUM domain exists for a specific telephone number and to find out the communication services linked to it:

ENUM Center.de

Sentiro's ENUM lookup

Alex Mayrhofer's ENUM Lookup

Adrian Georgescu's Managed DNS lookup