Friday, May 14, 2004

ENUM on its way to maturity

The SIP Center - Redefining Voice and Data Convergence Based on SIP:

By Adrian Georgescu
AG Projects
May 7th, 2004.

ENUM, a convergence tool for translating telephone numbers into Internet addresses used by IP telephony and next generation mobile networks like UMTS, is a key ingredient for the transition to the Next Generation Networks.


RIPE (Réseaux IP Européens), the collaborative forum open to all parties interested in wide area IP networks and responsible for technical delegations under ENUM top level domain, has recently (at the RIPE48 meeting) transformed its activities on ENUM, that were conducted in various BoF sessions so far, into the more formal ENUM Working Group.

IETF, the protocol engineering and development arm of Internet society, has produced last week the final version of the documents describing ENUM (RFC 3761) and the way ENUM is used with SIP and H323 Voice over IP signaling protocols (RFC 3762 and RFC 3764).

Most importantly, both standardization bodies from Telecom (International Telecommunications Union’s ITU-T Study Group 2) and Internet (IETF’s ENUM Working Group) joined together the efforts lead by European Telecommunications Standards Institute (ETSI) to put ENUM platforms to the necessary interoperability tests that will make ENUM gain the acceptance from vendors, providers and regulators alike. Roadmap for ENUM Workshops and Plugtests in ETSI (

5 and 6 October 2004 - 2nd ETSI ENUM Plugtests Workshop
29 November to 3 December 2004 - Plugtests for IP Communications (SIP/H323/ENUM)
1Q 2005 -3rd ETSI ENUM Plugtests Workshop

Following the ETSI proposed roadmap, the first interoperability tests “Plugtests TM” will be taking place in November and December 2004 at ETSI headquarters in Sophia–Antipolis, France. Commercial deployments of ENUM are likely to follow as soon as early 2005.


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