NEWS: Plantronics Calisto Pro Series

SANTA CRUZ, Calif.– August 23, 2007 – Plantronics, Inc. (NYSE: PLT) today introduced Calisto Pro Series, a revolutionary home phone with a multi-function Bluetooth® headset that greatly simplifies and enhances voice communications for home professionals. Leveraging more than 40 years of communications and ergonomic expertise, Calisto Pro’s intuitive design and hands-free capabilities introduce an entirely new way to manage landline, mobile and VoIP conversations.

“As traditional and new voice technologies converge in the home office, home professionals can benefit from ‘bridge’ solutions that centralize and simplify communications,” said Merle Sandler, senior analyst, SMB and Home Office Programs, IDC. “The vast majority of households have landline and cell phones and VoIP adoption is growing, so a phone that can easily orchestrate all three will resonate with the growing home professional segment.”

IDC estimates that there are currently approximately 37 million home office households in the US.