TELUS Advances Wholesale Interconnect Offering with Nominum

    Canadian Carrier Increases Competitiveness and Delivers Differentiated
    Offerings with Navitas IP-application Routing Directory

    REDWOOD CITY, Calif., Jan. 15 /CNW/ -- Nominum, the leading provider of
network naming and addressing technologies, announced today that TELUS
selected Nominum's carrier-grade IP-application Routing Directory (IPRD)
Navitas as the foundation for growing its wholesale interconnect and peering
business as it accelerates the move from the traditional TDM network to IP.
Nominum Navitas enables TELUS to optimize its call and session routes while
creating new differentiated wholesale service offerings, resulting in reduced
interconnect costs, simplified operations and new sources of revenues.
    With more than 10 million subscribers and a carrier-class IP network that
spans the country, TELUS Corporation is the second-largest carrier in Canada
and provides a wide range of wireline and wireless communications products and
services including data, Internet Protocol (IP), voice, video and
entertainment services.  With the move to IP-based call routing, TELUS
experienced significant growth in its wholesale interconnect business for
domestic, North American and international voice traffic. TELUS needed to
leverage its existing investment in routing optimization analytics to execute
dynamic call routing optimization in the IP network.  Because fast and
accurate application of the most up-to-date business rules directly impacts
profitability, the carrier needed the ability to quickly refresh this
information throughout the IP network - moving towards real-time cross-network
availability of interconnect routes.
    "To improve our offering and control operating costs, we needed a
solution that enriched our network with route and numbering plan management,
enforced optimal routing policies consistently, and had the scalability to
handle current traffic and anticipated growth," said    Brent Allison, VP
Partner Solutions Marketing for TELUS.  "Navitas is an essential part of our
next-generation network and is a key element of our strategy of providing
differentiated services at competitive prices. More importantly, Navitas is
the foundation block of a network that will allow TELUS to be a key player in
the converged communication world ahead."
    "The wholesale market is highly competitive, and carriers are under
continued pressure to evolve their offerings while keeping costs under
control," said Tom Tovar, chief executive officer of Nominum. "We are
delighted that TELUS selected Navitas to help improve its economical model for
VoIP peering and interconnects."
    Nominum Navitas is an IP-application Routing Directory (IPRD), a
switch-agnostic signaling data repository that consolidates telephony
numbering and routing information, and refines routes based on session
parameters like cost, quality, capacity, and context.  TELUS applied Navitas
as an IP-based network control point and relies on the following capabilities
for improving their business:

    -- Eliminating data fragmentation across switching element routing tables
       through consolidation of numbering and routing plans across IP and TDM
    -- Signaling capabilities with SIP and ENUM queries.
    -- Support for parameter-based routing including Least Cost Routing for
       profitable and reliable routes.
    The integration enabled TELUS to access optimal routes in its network in
real-time and make use of in-session route optimization, thereby maximizing
margins and preserving a high quality service.
    About Nominum
    Nominum's network naming and addressing solutions power the world's
largest always-on networks. Nominum is a global provider of ENUM-based
IP-Application Routing Directory, DNS and DHCP solutions that enable
communication providers to deliver high quality always-on broadband internet
and innovative services to their customers, including VoIP, push to talk,
fixed-mobile convergence, IPTV and triple-play. For further information, visit
    About TELUS
    TELUS (TSX: T, T.A; NYSE:   TU) is a leading national telecommunications
company in Canada, with $9.0 billion of annual revenue and 11.0 million
customer connections including 5.4 million wireless subscribers, 4.4 million
wireline network access lines and 1.2 million Internet subscribers. TELUS
provides a wide range of communications products and services including data,
Internet protocol (IP), voice, entertainment and video. Committed to being
Canada's premier corporate citizen, we give where we live. Since 2000, TELUS
and our team members have contributed more than $91 million to charitable and
non-profit organizations and volunteered more than 1.7 million hours of
service to local communities. Eight TELUS Community Boards across Canada lead
our local philanthropic initiatives. For more information about TELUS, please

     Nominum Contact:
     Lisa Abbott

     TELUS Contact:
     Allison Vale

     Agency Contact:
     Carli Ghelfi
     Bite Communications

For further information:

For further information: Lisa Abbott of Nominum, +1-650-381-6140,; or Allison Vale of TELUS, +1-416-883-8798,; or Carli Ghelfi of Bite Communications, 
+1-415-365-0222,, for Nominum Web Site:

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