Xten Joins SIP Forum Organization

Xten Joins 34 Other SIP Industry Leaders in Supporting the SIP Forum

Burnaby, BC, Canada — December 22, 2003 —

Xten Networks (www.xten.com), a leading provider of award-winning, high-quality SIP softphones and toolkits for IP Telephony networks, and the SIP Forum (www.sipforum.org), the industry association for the advancement and development of Session Initiation Protocol (SIP), today announced that Xten has joined the SIP Forum organization.

The SIP Forum now has 35 full members including representatives from service providers, equipment makers, software developers, and providers of software for operations support systems (OSS) and billing support system (BSS).

"The SIP Forum is very pleased to have Xten as its newest member. Xten is doing great things with SIP softphones and we look forward to their active participation in SIP Forum events, discussions and working groups," commented Edward Keegan, Managing Director, SIP Forum.

"Xten is proud to be a full member of the SIP Forum," stated Erik Lagerway, chief operating officer of Xten Networks, Inc. "Xten plans to become actively involved in SIP Forum events and will work closely with other organizations in the SIP Forum to further entrench SIP as the de-facto standard in IP communications."

About SIP

SIP was developed by the Internet Engineering Task Force (IETF), the international organization responsible for all the basic Web protocols, such as HTTP and the mail protocol SMTP. It is part of the newest generation of communication protocols, those that tie together the telecom and Internet worlds.

SIP offers many advantages to telecom vendors and service providers, including rapid development of products and services, lower costs up front and ongoing, and a wide choice of compatible vendors and products.

About the SIP Forum

The SIP Forum is a nonprofit industry association whose mission is to promote awareness and provide information about the benefits and capabilities enabled by SIP. The SIP Forum also works to facilitate the integration of SIP with other areas of development on the Internet.

The SIP Forum has become the meeting place for service providers, vendors and researchers developing commercial SIP services. SIP Forum members are offering the new services enabled by SIP, such as consumer broadband phone and IP Centrex, and are developing new technology, such as IP phones, PC clients, SIP servers and IP telephony gateways. On the Web: www.sipforum.org.

About Xten Networks

Xten is a leading provider of award-winning, high-quality SIP (Session Initiation Protocol) Voice over Internet Protocol (VoIP) software and SIP softphones. It is Xten's goal to be the primary choice in softphones and client-side IP communications software for telephony software consumers the world over. Xten provides IP Telephony software products directly to end users, Enterprises, Next-Gen Service Providers (ITSPs & Tier 2), Wireless Internet Service Providers (WISPs), Telephone Companies (TELCOs), and Original Equipment Manufacturers (OEMs). Xten partners with Service Providers and the like to offer turnkey IP Telephony solutions. Those who are interested in Xten products should visit sales.xten.com. Xten is a private Nevada corporation located in Burnaby, British Columbia, Canada. On the Web: www.xten.com.