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AG Projects Denic ENUM day - 2005 Number portability Using ENUM and SIP Adrian Georgescu AG Projects http://ag-projects.com

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Page 1: AG Projects Denic ENUM day - 2005 · On the Internet you already have portability. Without maybe being aware, everybody is using it, the DNS. •When you move your web from one hosting

AG Projects Denic ENUM day - 2005

Number portabilityUsing ENUM and SIP

Adrian GeorgescuAG Projectshttp://ag-projects.com

Page 2: AG Projects Denic ENUM day - 2005 · On the Internet you already have portability. Without maybe being aware, everybody is using it, the DNS. •When you move your web from one hosting

AG Projects Denic ENUM day - 2005

Voice service today

The past but still the present:

• One socket in the wall• One phone device• One service provider

Telephone number is “wired” to the socket in the wall. Theservice, device and address are hardwired to each otherby the incumbent telco.

Page 3: AG Projects Denic ENUM day - 2005 · On the Internet you already have portability. Without maybe being aware, everybody is using it, the DNS. •When you move your web from one hosting

AG Projects Denic ENUM day - 2005

Voice paradigm shift

Today and the future:

• Network access - WiFi in the hotel• SIP device - my Hitachi WIP500 phone• PSTN service - my provider is in the Netherlands• Identity - my address is sip:[email protected]

Identity is the only common feature, all items areconnected together only at logical level. All converge inthe hands of the end users

Page 4: AG Projects Denic ENUM day - 2005 · On the Internet you already have portability. Without maybe being aware, everybody is using it, the DNS. •When you move your web from one hosting

AG Projects Denic ENUM day - 2005

What changes over time?

Each of the ingredients may change:

• I wish I have the latest and most advanced phone• I wish I have the fastest Internet access• I wish I call at the cheapest rates to the PSTN• I may wish to work abroad, change location

I do not want however to change my address every time!

Page 5: AG Projects Denic ENUM day - 2005 · On the Internet you already have portability. Without maybe being aware, everybody is using it, the DNS. •When you move your web from one hosting

AG Projects Denic ENUM day - 2005

Number portability today

Current telephone number portability works with limitedsuccess and dependent on regulatory in each country

• It takes 3 months to port my number from KPN to Vodafone• Porting numbers between mobile and fixed operators is still

a dream• Cannot port numbers from one country to another

VoIP Providers depend on SS7 IN database for numberportability, is slow expensive and not Internet ready

Page 6: AG Projects Denic ENUM day - 2005 · On the Internet you already have portability. Without maybe being aware, everybody is using it, the DNS. •When you move your web from one hosting

AG Projects Denic ENUM day - 2005

Name portability on IP

On the Internet you already have portability. Without maybebeing aware, everybody is using it, the DNS.

• When you move your web from one hosting provider toanother you get a new IP address but you do not changethe name of your website

• By simply pointing the website name to the new IPaddress of the server you are done

Page 7: AG Projects Denic ENUM day - 2005 · On the Internet you already have portability. Without maybe being aware, everybody is using it, the DNS. •When you move your web from one hosting

AG Projects Denic ENUM day - 2005

Name portability on IP

There is no regulatory, agency or government office thatintermediates the changes in the DNS.

• You don’t send a fax• You don’t wait for 3 months• You do it yourself when you want and how you want

Internet is much more cost effective, there are noadministrative barriers that hinders the porting process

Page 8: AG Projects Denic ENUM day - 2005 · On the Internet you already have portability. Without maybe being aware, everybody is using it, the DNS. •When you move your web from one hosting

AG Projects Denic ENUM day - 2005

Number portability on IP

As Voice over IP is just another application over theInternet (observation of Jon Peterson) we can use thesame principles that apply for web and e-mail

• SIP maps the phone IP:port to a SIP address• ENUM maps the E.164 number to a SIP address

SIP with ENUM combine the logic of uniting the identity(from both Internet and PSTN) with the access, thedevice and the service

Page 9: AG Projects Denic ENUM day - 2005 · On the Internet you already have portability. Without maybe being aware, everybody is using it, the DNS. •When you move your web from one hosting

AG Projects Denic ENUM day - 2005

SIP redirect service

• A SIP redirect service redirects all calls unconditional toanother SIP address (final destination)

• SIP as a location service supports redirection using 30Xresponse codes (Moved temporary/permanently)

• My SIP address sip:[email protected] is merely analias, it points to sip:[email protected]

SIP redirect works similar with email forwarding

Page 10: AG Projects Denic ENUM day - 2005 · On the Internet you already have portability. Without maybe being aware, everybody is using it, the DNS. •When you move your web from one hosting

AG Projects Denic ENUM day - 2005

SIP redirect service

Page 11: AG Projects Denic ENUM day - 2005 · On the Internet you already have portability. Without maybe being aware, everybody is using it, the DNS. •When you move your web from one hosting

AG Projects Denic ENUM day - 2005

ENUM mappings

ENUM is an address translation database that maps E.164numbers into IP addressing schemes

• My ENUM number +31208005169 points to my SIPaddress sip:[email protected]

• The ENUM mappings are records hosted in the DNS likeany other domain name

Both SIP alias and the ENUM record point to my sipaccount which I use for telephony, video and IM.

Page 12: AG Projects Denic ENUM day - 2005 · On the Internet you already have portability. Without maybe being aware, everybody is using it, the DNS. •When you move your web from one hosting

AG Projects Denic ENUM day - 2005

ENUM mappings

Page 13: AG Projects Denic ENUM day - 2005 · On the Internet you already have portability. Without maybe being aware, everybody is using it, the DNS. •When you move your web from one hosting

AG Projects Denic ENUM day - 2005

VoIP providers todayWhat most of the VoIP providers today don’t do is give

their subscribers a public SIP URIs ([email protected])

• Majority of VoIP providers allow their users to use onlynumbers for addressing (new technology with old habits)

• The only way in/out of the VoIP island is the PSTNgateway (like Vonage)

Without ENUM and public SIP URIs users will not be ableport their numbers between VoIP providers

Page 14: AG Projects Denic ENUM day - 2005 · On the Internet you already have portability. Without maybe being aware, everybody is using it, the DNS. •When you move your web from one hosting

AG Projects Denic ENUM day - 2005

Recipe for number portability

A Meta provider and open garden VoIP providers

• User-ENUM ready national registry (opt in)• A meta provider for the name translation (Internet

domain registration + SIP Redirect service)

• SIP service provider (public SIP URIs)• ENUM enabled PSTN operator

Page 15: AG Projects Denic ENUM day - 2005 · On the Internet you already have portability. Without maybe being aware, everybody is using it, the DNS. •When you move your web from one hosting

AG Projects Denic ENUM day - 2005

What the Users can do

Sip:[email protected] Sip:[email protected]

?

Page 16: AG Projects Denic ENUM day - 2005 · On the Internet you already have portability. Without maybe being aware, everybody is using it, the DNS. •When you move your web from one hosting

AG Projects Denic ENUM day - 2005

Sip:[email protected] Sip:[email protected]

[email protected]

+1-123-456789

What the Users can doMeta provider

Page 17: AG Projects Denic ENUM day - 2005 · On the Internet you already have portability. Without maybe being aware, everybody is using it, the DNS. •When you move your web from one hosting

AG Projects Denic ENUM day - 2005

[email protected]

+1-123-456789

What the Users can do

Sip:[email protected] Sip:[email protected]

Meta provider

Page 18: AG Projects Denic ENUM day - 2005 · On the Internet you already have portability. Without maybe being aware, everybody is using it, the DNS. •When you move your web from one hosting

AG Projects Denic ENUM day - 2005

What the Regulator should do

• Explain what ENUM is because nobody knows

• Require VoIP Operators to provide SIP URIs

• Require national domain registry to support ENUM

• Require telecos to have ENUM enabled gateways

Page 19: AG Projects Denic ENUM day - 2005 · On the Internet you already have portability. Without maybe being aware, everybody is using it, the DNS. •When you move your web from one hosting

AG Projects Denic ENUM day - 2005

What VoIP providers shouldnot do

Today subscribers have a choice. They can bypass yourservice starting with their dual-mode phone. You cannotcompete against your own customers (Richard Stastny)

By the time some providers finish up building their walled-garden, the customers will be safe outside of them.

The advice is: do not build walled gardens! They are shortlived, expensive to build products!

Page 20: AG Projects Denic ENUM day - 2005 · On the Internet you already have portability. Without maybe being aware, everybody is using it, the DNS. •When you move your web from one hosting

AG Projects Denic ENUM day - 2005

What VoIP providers must do

• Provide subscribers with public SIP URIsExample: sip:[email protected] SIP URIs you can do more than just VoIP!

• Use ENUM lookups in the routing decision

Why? Because you will save money on customer acquisition,and reduce churn. Because you can (still) make moneyon termination for calls that end up on IP (100% margin).

Page 21: AG Projects Denic ENUM day - 2005 · On the Internet you already have portability. Without maybe being aware, everybody is using it, the DNS. •When you move your web from one hosting

AG Projects Denic ENUM day - 2005

This is not fiction anymore

Number portability based on DNS is already in productionstatus:

• ENUM.at (Austria)

• EUROVOICE.ro (Romania)

Page 22: AG Projects Denic ENUM day - 2005 · On the Internet you already have portability. Without maybe being aware, everybody is using it, the DNS. •When you move your web from one hosting

AG Projects Denic ENUM day - 2005

This presentation is available athttp://ag-projects.com/ENUM/

Thank you,Adrian GeorgescuSip/Email:[email protected]


Implications of ENUM

ENUM in neighbour countries, Germany 12 September 2007 – ENUM Day conference, Prague

ENUM and NGN seminar Malaysia, MYNIC November, 2007 ... · PDF fileENUM and NGN seminar Malaysia, MYNIC November, 2007 How to combine ENUM, ... NPDB: Number Portability Database

Inter-Operator Carrier ENUM - enum-solutions.comenum-solutions.com/.../uploads/2016/07/Inter-Operator_Carrier_ENUM.pdfThe benefits of inter-operator Carrier ENUM are clear: it enables

ENUM for Number Portability at IPX from the GSMA - … for Number Portability at IPX from the ... appropriate entry-point address for each of its interconnect partners ... ENUM server

ENUM Cookbook ENUM based on Broadsoft... · Internet2 ENUM (NRENUM.net) implementation G.Ligthart Senior network engineer Telecommunications Lab manager Internet2 Technology Evaluation

Infrastructure ENUM ETSI TR 102 055 ENUM Workshop November 2004

VoIP and ENUM - ENUM and VoIP · ENUM as second line service ENUM TDM TDM TDM +4319793321 GK Internet GK GW +4319793321 [email protected] e.g. dialing an ENUM access code 10xx 4319793321

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Umsetzung des ISMS bei DENIC - · PDF fileUmsetzung des ISMS bei DENIC Boban Krsic, DENIC eG Berlin, den 16.09.2015

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UK ENUM Jay Daley, Nominet UK. ENUM explained Nominet and ENUM

Operator Change for DNSSEC Domains Manual - DENIC eG ......DENIC eG Business Services Kaiserstraße 75-77 60329 Frankfurt Germany E-mail: [email protected] Jabber: Channel DENIC at delm.member.denic.de

AG Projects ENUM provisioningag-projects.com/docs/ENUM/20060316-ENUMProvisioning-Von-SanJose.pdfAG Projects ENUM provisioning ENUM maps a telephone number to another address and protocol

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ENUM Overview APT-ITU Joint Workshop An ENUM Tutorial · ENUM Overview APT-ITU Joint Workshop May 21-22, 2000 Bandar Seri Begawan, Brunei Darussalam Richard Shockey IETF ENUM WG Co-Chair

Asia Pacific ENUM Engineering Team APEET ENUM/SIP Live Trial at 9 Mar 2005 62nd IETF ENUM WG APEET Yoshiro YONEYA

ENUM User's Guide - Oracle · (ENUM) interface to allow ENUM Number Portability Query messages to be received by an EAGLE ENUM card, processed by the database (RxDB, ENUM), and then

Ultimate ENUM

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ENUM User's Guide - Oracle · 2018-10-20 · Communications EAGLE ENUM Mobile Number Portability and Tier One Address Resolution feature. Users of this manual must have a working

AG ProjectsDenic ENUM day - 2005 Number portability Using ENUM and SIP Adrian Georgescu AG Projects

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Unified Communications mit ENUM - DENIC eG: Wir sind .de€¦ · APIs, Web Services/Portlets Service Oriented Architecture (SOA) Various Devices Integration into Business Process

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Information Security Management bei DENIC · Information Security Management bei DENIC Umsetzung von Anforderungen aus dem IT-Sicherheitsgesetz Boban Krsic, DENIC eG Frankfurt, den

ENUM: history and current status and future Explanation of ENUM (RFC 2916)

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Oracle Communications EAGLE · Oracle Communications EAGLE enhances the ability of EAGLE to access the Number Portability database (RxDB) using ENUM protocol. Using the ENUM interface

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U.S. ENUM Implementation

ENUM Tutorial

ENUM User's Guide - OracleAddress Resolution (ENUM) feature of the Oracle Communications EAGLE. The ENUM feature adds an E.164 Number Mapping (ENUM) interface to allow ENUM Number