Sonim Technologies and KPN Power World's First Standards-Based IP Push-To-Talk Services in Europe

OMA PoC Push-To-Talk is Alive and Kicking with launch of first end-to-end PTT services over IMS

SAN MATEO, Calif.--(BUSINESS WIRE)--

Sonim Technologies, the leader in push to talk IMS solutions for operators and the global provider of high-performance mobile VoIP applications and devices, today announced that KPN, one of Europe's leading telecommunications companies, has launched the first standard's based Push-To-Talk system. Effective today, KPN's enterprise customers will have access to Sonim's XP1 "tough phone" mobile telephones as Walkie-Talkies.

Sonim hopes to help wireless operators around the world replicate Nextel's success in the United States by bringing a comprehensive, OMA standards-based Push-To-Talk system to operators and enterprises in Europe. This open approach to integrated mobile VoIP services utilizing IMS is being embraced by companies and operators across Europe, most notably with KPN, Telefonica Moviles and Dialect, a large value added reseller in Sweden.

"With Sonim's XP1 handset and robust push-to-talk service, we anticipate a strong launch today, offering businesses an affordable group communications system that supports a uniform standard across different mobile telephones. From KPN's point of view, Sonim is the ideal partner when it comes to supplying these services to our customers," explains Eelco Blok, a member of the Board of Management of KPN. "Sonim offers a unique combination of Push to Talk applications and equipment, which means that we are able to offer the best and most comprehensive communications solution that is currently available on the market."

"We're breaking ground for OMA Push-To-Talk in Europe and we're proud to have been an early and aggressive driver of standards-based IMS service to get us where we are today," said Bob Plaschke, CEO of Sonim Technologies. "We're delighted to experience such momentum in Europe with respected operators like KPN and Telefonica Moviles. Sonim is in a unique position to create a unique value in Europe that Nextel captured in the United States and we're aggressively acting on this strategy."

About KPN

KPN provides telephone, internet and television services to personal customers through its fixed network in the Netherlands. For business customers, KPN provides a broad range of services at a national and international level, from voice, internet and data services to the fully-managed outsourced ICT solutions. KPN provides mobile services to both private and business customers in the Netherlands, Germany, Belgium and Western Europe.

From 30 September 2006, KPN's 28,412 employees (25,921 FTE) served 6.1 million fixed-line subscribers and 2.3 million internet subscribers in the Netherlands, as well as 22.9 million mobile customers in Germany, the Netherlands and Belgium. KPN was incorporated in 1989. Its shares are listed on the stock exchanges in Amsterdam, New York, London and Frankfurt.

About Sonim Technologies Inc.

Sonim Technologies provides solutions that enable today's GPRS, UMTS, EVDO, WiFi and WiMAX data networks to provide high-performance VoIP applications and services. These are then optimized in order to fulfill the productivity targets of mobile companies. Sonim's OM PoC 1.0 Server, client and handset solutions represent the only business class implementation of push-to-talk standards in the sector and form the basis of an emerging suite of streaming IMS-compliant applications. Sonim is based in San Mateo, California, and has offices in Bangalore, London, Stockholm and Madrid. For more information, please visit the company's website: www.sonimtech.com.

Source: Sonim Technologies