BARCELONA, Spain, February 11 /PRNewswire/ --

MOBILE WORLD CONGRESS -- NeuStar, Inc. (NYSE: NSR) today announced that
it is showcasing its Interaction Framework (iF) at Mobile World Congress
2008. iF enables mobile users to manage their identities, profiles, and
social interactions within one simple-to-use, integrated, and secure
framework based upon a user's network and handset.

NeuStar's iF enables users to access one central point on their mobile
phones for a presence-enabled address book, which provides information about
a contact's phone number, email addresses, IM addresses, and identities on
various websites and social networking sites. iF enables users to set up
different identities for different communities, thus enabling the user to
"communicate in context."

In addition, NeuStar's iF allows operators to presence-enable and
integrate existing mobile services like text, IM, work and social networking,
and gaming. As users access new services, operators can integrate these into
the framework quickly and easily, giving users faster access to services from
one single trusted point on the device and driving increased usage.

With iF, developers can build new services and capabilities or add value
to existing services and capabilities, secure in the knowledge that their
service can be integrated into a framework that is accessible by more than
300 million mobile users worldwide. NeuStar's existing mobile IM solutions
are currently live with more than 31 operators globally, and NeuStar is
launching a developer program to support this community.

Allen Scott, general manager of NeuStar Next Generation Messaging, said:
"iF is the natural evolution of mobile IM today. NeuStar is developing an
advanced communications environment that enables operators to extend their
services and launch new ones quickly and easily to end users, thus making the
user experience simple and intuitive."

Scott continued: "People have many choices as to how to communicate - but
they often unintentionally choose a less-than-suitable method for the
recipient. iF aims to create a service that give people control as to who
contacts them and when. Simply by looking at his or her mobile phone's
contact list, a user will see if a person wants to communicate, and how they
would like to do so."

"The value for the mobile industry is immense. We are developing an
environment that enables all players to enhance how people interact, and to
roll out new mobile services quickly and easily. The iF environment takes the
best features of mobile IM, such as presence information, and integrates them
into every mobile application. This offers the path to making the Internet
experience mobile in the best possible environment for a mobile user."

Working with more than 31 leading operators worldwide -- including
Vodafone, 3, Orange, Telecom Italia, Turkcell, and Beeline -- NeuStar has the
most field-proven launches of a range of mobile IM services. Building on its
success and experience in the market since 1999, NeuStar has developed its
pioneering services, working with operators and their users through focus
groups, user forums, and research campaigns to provide a compelling service
to meet all operators' demands and service models.

About NeuStar, Inc. and NeuStar Next Generation Messaging

NeuStar, Inc. (NYSE: NSR) is a provider of clearinghouse and directory
services to the global communications and Internet industry. In November
2006, NeuStar created its Next Generation Messaging Services by acquiring
Followap Inc., a leading global provider of instant messaging, presence and
interconnect services.

Mobile network operators around the world trust NeuStar to enable
real-time communications using presence information. NeuStar has enabled
mobile instant messaging solutions for operators that have more than 300
million subscribers in total, and NeuStar's customers include many of the
leading operators from across the globe.

NeuStar, Inc. is headquartered in the United States, with subsidiary
offices in Europe and Asia. For more information, please visit
www.neustar.biz and www.neustar.biz/ngm.

Web site: http://www.neustar.biz
              http://www.neustar.biz/ngm