Company name: TeleSym
Where it's based: N/A
When it was founded: 2001
What year it was a Fierce 15: 2003
Website: N/A

Why it was a Fierce 15: TeleSym was selected as a Fierce 15 because its software turned existing PDAs and WiFi networks into wireless voice-over-IP systems for enterprises. Click here for more.

What has happened since it was awarded the Fierce 15: In 2005 TeleSym shuttered its doors and laid off all 40 employees. CEO Bob Hart told the Seattle Post-Intelligencer that the company had difficulty scaling the technology to support multiple users.