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Stand # 10005
The role of ENUM-based Routing Directories in VoIP Peering

VoIP deployments are reaching critical mass penetration. With the number of VoIP subscribers growing, cable operators require the support of large volumes of subscribers routing data and Local Number Portability coupled with key network functions in order to implement efficient and secure VoIP Peering.

Nominum, Neustar, Nortel, and Acme Packet have joined forces by offering a fully integrated solution based on Nominum's ENUM-based IP-Application Routing Directory, NeuStar's SIP-IX data services, and Nortel softswitches.

The demonstration of this best-of-breed solution provides a new benchmark in the optimization of VoIP call routing management, allowing the establishment of least-cost and best quality call paths across VoIP peering networks:

  • Nominum Navitas IP-Application Routing Directory fulfills the capability to store a large set of telephone numbers as well as public sources of numbering data such as LNP (Local Number Portability).
  • Neustar's SIP-IX data service suite combines LNP data in an IP format, Phone Number to SIP URI feeds and other critical signaling data to offer "One Query, One Stop Shopping" for NGN signaling needs with real time updates based on current number portability changes.
  • Nortel's CS2000 PacketCable-compliant softswitch works with Session Border Controllers to take advantage of an IPRD's ENUM routing data by optimizing call routing and establishing the foundation of a migration path from VoIP to IMS networks.
The live demo solution represents a key milestone in multiple vendor integration and demonstrates the effectiveness of networking functions for Next-Generation Networks architectures based on IP-Multimedia Subsystem (IMS). It is a showcase of speed, scalability, security, and availability made possible by the technology and services leadership of all companies involved.

Technologies on Display

Nominum Navitas introduced in March 2006
Nominum Navitas is an ENUM-based IP-Application Routing Directory (IPRD) for Next-Generation Networks, enabling real-time voice and multimedia communication over IP. It is the first product in the industry that delivers the high performance, low management overhead, and least-cost routing for VoIP Peering and next-generation networks.

Navitas is a network database that holds E.164 numbers and Uniform Resource Identifier (URI) routing information for VoIP and next-generation value-added services, enabling interconnects across networks (PSTN, VoIP, and IMS).

Navitas is a high-performance software that facilitates optimal call routing and multimedia communication. It can process large volumes of transactions at very high speeds and preserves a carrier's security and privacy needs by efficiently partitioning numbering plan data through the concept of "Composite Zones".