Company name: Sonim Technologies
Where it's based: San Mateo, Calif.
When it was founded: 1999
What year it was a Fierce 15: 2003
Why it was a Fierce 15: Sonim was selected for its Instant Communications Solution that allowed carriers to deploy push-to-talk over their cellular data networks. Sonim had forged partnerships with Texas Instruments, Symbian and Infineon, and had raised significant funding. Click here for more.
What has happened since it was awarded the Fierce 15: Sonim failed to gain traction with North American carriers and has retooled its business plan. Today the company enables data networks (UMTS, GPRS and WiFi) to deliver VoIP applications. The company also makes rugged PTT handsets for GSM networks.