Sonim Technologies and Materna Information & Communications / Vistream Power World's First Standards-Based IP based Push-To-Talk Services in Germany

Open Mobile Alliance Push-To-Talk-Over -Cellular (OMA PoC) is Alive and Kicking with launch of first end-to-end PTT services over IMS

SAN MATEO, Calif. & DORTMUND, Germany--(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 Materna Information & Communications, a leading telecommunication company, and Materna's daughter company Vistream, a leading edge Mobile Virtual Network Enabler (MVNE) in Germany, has selected Sonim's end-to-end solution to launch the first standard's based Push-To-Talk system. Effective in mid 2007, Vistream's branded and value-added reseller customers will have access to Sonim's XP1 mobile "tough phones" as Walkie-Talkies and can access a high performance Push-to-Talk service.

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 Germany and Europe. This open approach to integrated mobile VoIP services utilizing IMS is being embraced by companies and operators across Europe, most notably by Materna / Vistream, KPN, Telefonica Moviles and Selectric and Dialect, large value-added resellers in Germany and Sweden.

"With Sonim's XP1 handset and robust Push-To-Talk service, we anticipate a strong launch, offering businesses an affordable group communications system that supports a uniform standard across different mobile telephones. From Materna / Vistream's point of view, Sonim is the ideal partner when it comes to supplying these services to our customers," explains Helmut an de Meulen, CEO and co-founder of Materna Information & Communications. "Sonim offers a unique combination of Push-To-Talk applications and equipment, which enables us 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 services to get us where we are today," said Thomas Hornung, Board Member of Sonim Technologies. "We're delighted to experience such momentum in Europe with respected MVNOs / MVNEs like Materna / Vistream and 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 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 optimised 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.

About Materna Information & Communications / Vistream

MATERNA is a leading software provider for information and communication technologies. The company employs approx. 1400 employees globally, and obtained sales of Euro 150 Million. In addition to their headquarters in Dortmund, the company has branches and subsidiaries all over the Germany as well as in Europe. The business unit Communications is internationally active in the markets of information and communications technology. Under the brand "Anny Way" MATERNA provides service platforms, content premium services as well as voice and video applications. In addition, MATERNA is successfully positioned as an MVNE in the market and is an internationally well-known as a leading provider of fixed network services. MATERNA`s ability to take difficult and complex challenges for clients has made the company a sought after partner for mobile communications providers, service providers and other companies and agencies. The business unit information realizes integrated IT solutions for process optimization in corporations and the public sector. This includes IT Service Management, Customer Service Management, Government Services and SAP Consulting Services.

Source: Sonim Technologies Inc.