Thursday, May 31, 2007

+353 Irish ENUM Registry opens today 

Some things may take a while, some may take even longer. At March 22, 2006 (14 month ago) I posted: Irish-Austrian Consortium Provides ENUM Services in Ireland.

The Irish Commision for Communication Regulation (ComReg) announced today officially that an Irish-Austrian Consortium wins competition for the provision of ENUM services in Ireland.

December 19, 2006 I wondered what was going on and see, instantly they re-acted and immediately afterwards ENUM went into commercial service in Ireland:

IENUM, the Irish ENUM Registry opened service today. Some snippets from the news:

IENUM Limited, a 70% subsidiary of the IE Domain Registry (IEDR), today announced the availability of user ENUM (Electronic Numbering) services for telephone number holders in Ireland.

Ireland is now the seventh country to announce the availability of ENUM services. IENUM Limited was selected as the Tier 1 ENUM registry following the first international commercial tender process. The IEDR's partner in the IENUM consortium is Internet Privatstiftung Austria (IPA), the Austrian organisation which operates the .at domain name and provided the first commercial ENUM registry service in the world.

ENUM domains can now be registered at for Geographic telephone numbers (eg 01 or 045 etc), Mobile phone numbers, '076' Voice over Internet Protocol (VoIP) numbers, and '0700' Personal Number Service numbers. The cost of an ENUM domain is 1 euro per month plus a validation fee, currently 25 euro payable on first registration, and 5 euro on revalidation.

ComReg's Chairperson, Mike Byrne, said: ComReg is encouraged to see the emergence of ENUM as a full commercial service in Ireland today. ENUM has the potential to be a key enabler of advanced IP-based services. ComReg has been to the fore in encouraging the development of ENUM in Ireland and we are pleased to welcome the opening of IENUM's service which we see as an innovative and potentially valuable new communications facility for Irish consumers.

BTW, next week I will be chairing the ENUM and VoIP Peering Forum 2007 in Berlin, and Mike Byrne will speak about ENUM from a Regulators Perspective. The two day conference will feature also other very interesting speakers:

Carsten Schiefner (DT, RIPE and Denic), Andrzej Bartosiewicz (NASK), John Horrocks (ETSI), Kim Fullbrook (O2 UK, GSMA), Robert Schischka (, Thomas de Haan (Ministry of Economic Affairs, NL), Chan-Ki Park (NIDA, Korea), Rodrigue Ullens (Voxbone), Xavier Casajoana (VozTelecom), Wilhelm Wimmreuter, Pieter Nooren (TNO, NL), Tony Holmes (BT, ENUM UK, ETSI), Ondrej Filip (CZ.NIC) and last, but not least Richard Shockey (Neustar, IETF ENUM).

On Monday afternoon, Adrian Georgescu (AG Projects) will lead a half-day interactive workshop on sucessfull business model for ENUM.

My presentation can be retrieved from here.

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Tuesday, May 01, 2007

IMS R4? - When is an IMS not an IMS? 

Mobile Operators are currently implementing 3GPP Release 4 - some vendors call this also IMS Release 4. Interestingly IMS was introduced in 3GPP in Release 5 and improved in R6 and now in R7, which will be frozen in June 2007. ETSI TISPAN has finished R1 last year and is currently working on R2. Since they now will merge with 3GPP, R2 may never be finished as such and the first complete IMS will be 3GPP R8 frozen somewhere in 2009 and deployed in 2011. This will approx. also be the time when IMS mobile handsets finally will be widely available.

So what may happen? Some service providers will implement SIP servers and their customers will live happy with them and the available user equipment for the next 4 years.

Others will implement expensive "IMS" R4 (softswitches), spend much money again to upgrade to R5, R6, R7 and R8. Since no mobile equipment is available, this will mostly be fixed line operators doing PSTN replacement - i.e. investing into a shrinking market.

More about IMS R4 see Brough Turner "Lessons learned implementing IMS" (short) and the full story here.

His takeaway:

Operators await 3GPP Release 7. At least anecdotally, several operators have suggested that 3GPP Release 7 is the first complete, stable, and consistent version they will fully deploy.

He is not saying what operators - I assume he means mobile operators (talking about R7).

Some fixed operators are not waiting - they are planning to deploy the incomplete ETSI TISPAN R1.

One could believe the whole IMS idea is a plot by the mobile operators to kill the wireline operators completely.


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