Xten Softphone SDK Delivers PC-to-PC VoIP in New Yahoo! Messenger

Xten Softphone SDK Delivers PC-to-PC VoIP in New Yahoo! Messenger
eyeBeam SDK Licensed to Enhance PC-to-PC VoIP in Instant Messaging 


SANTA CLARA, CA, June 15  /PRNewswire-FirstCall/ -- Xten Networks, Inc. (OTCBB:
XNWK), a provider of VoIP (Voice over Internet Protocol), Video over IP,
Instant Messaging (IM), and Presence SIP softphones, announced today that
Yahoo!, a leading global Internet company, has licensed Xten's eyeBeam software
development kit (SDK) to deliver SIP-based PC-to-PC VoIP in the new Yahoo!(R)
Messenger Beta (http://messenger.yahoo.com/).

"We are extremely pleased that Yahoo! chose Xten for this project," commented
Erik Lagerway, COO and President for Xten. "The excellent call quality with
Yahoo! Messenger's PC-to-PC calling feature is a direct result of the combined
efforts of our engineering teams."

"Providing a high-quality instant messaging service is our number one priority,
which is why we choose to work with Xten Networks, the best-of-breed
standards-based voice engine provider, to ensure our users have an exceptional
PC-to-PC calling experience," stated Frazier Miller, director of Yahoo!
Messenger.

Xten's softphones for Windows, MAC OS X, Pocket PC and now Linux are software
applications, which run on devices such as personal computers (PCs) or personal
digital assistants (PDAs) or can be integrated into set-top boxes, embedded
devices, instant messenger applications and alike. When an Xten softphone is
connected to a service provider's network, the user can make and receive calls
to and from other "on-net" callers (IP-to-IP) and/or "off-net" callers
(IP-to-PSTN/Cellular) with the same quality of service they would expect from
an IP handset. However, at a fraction of the cost, while providing more
features and functionality than an IP handset.

About Xten Networks

Xten Networks is a developer of award-winning, high-quality, carrier-grade VoIP
(Voice over IP) and Video over IP SIP softphones for service providers, cable
operators, Internet telephony service providers, IP PBX manufacturers and OEMs.
Xten's SIP softphones are available either pre-configured or as a software
development kit (SDK), and provide VoIP (Voice over IP), Video over IP, IM
(Instant Messaging), and Presence functionality. eyeBeam - Xten's feature-rich
SIP Video over IP softphone with IM and Presence - recently received both
Communications Solutions(R) Magazine's and INTERNET TELEPHONY(R) Magazine's
"Product of the Year" Award for 2004. Through deployments with leading service
providers, Xten technology is deployed in more than 5,400,000 IP endpoints
worldwide. For more information please visit http://www.xten.com/.

For more information on Xten, please contact Investor Relations - KCSA
Worldwide:

  Todd Fromer
  +1.212.896.1215
  

  Michael Cimini
  +1.212.896.1233
  

  For more information on Xten products, please contact Media Relations:

  Tiffany Zinck
  +1.604.628.2127
  

DATASOURCE: Xten Networks, Inc.



CONTACT: Investor Relations - KCSA Worldwide: Todd Fromer,

[phone], ; Michael Cimini, [phone],

; For more information on Xten products, please contact

Media Relations: Tiffany Zinck, [phone], 

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