PLANTRONICS
World Leader in Communications Headsets
Limited Power of Attorney
Securities Law Compliance
The undersigned, as an officer or director of Plantronics, Inc. (the
"Corporation"), hereby constitutes and appoints Richard Pickard, Gary Kissiah,
or Courtney Bottger each individually as the undersigned's true and lawful
attorney-in-fact and agent to complete and execute such Forms 144,
Forms 3,4, and 5 and other forms as such attorney and agent shall in his or
her discretion determine to be required or advisablepursuant to Rule 144
promulgated under the Securities Act of 1933 (as amended), Section 16 of the
Securities Exchange Act of 1934 (as amended) and the respective rules and
regulations promulgated thereunder, or any successor laws and regulations,
as a consequence of the undersigned's ownership, acquisition or disposition
of securities of the Corporation, and to do all acts necessary in order to file
such forms with the Securities and Exchange Commission, any securities exchange
or national association, the Corporation and such other person or agency as the
attorney shall deem appropriate. The undersigned hereby ratifies and confirms
all that each of said attorneys-in-fact and agents shall do or cause to be done
by virtue hereof.

This Limited Power of Attorney is executed at Santa Cruz, CA as of the date
set forth below.

/s/ Barry Margerum
Barry Margerum
Date: 5/5/08

Witness:
/s/ Virginia A. Roddy
Virginia A. Roddy
Date: 5/5/08