Plantronics

(PLT) - Get Report

said its third-quarter net income was $10.5 million, or 21 cents a share, more than a 50% drop from the $21.3 million, or 40 cents a share, the company earned in the year-ago quarter.

Third-quarter revenue fell to $82.2 million from $106.7 million a year ago.

TheStreet Recommends

The communications headset maker attributed the drop to a slowdown in its call center and office business. For the fourth quarter, the company now expects earnings of between 13 cents and 17 cents a share on revenue of $73 million to $78 million.

Shares of Plantronics closed at $27.02 Tuesday on the

New York Stock Exchange

.