Exhibit 16.1
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PricewaterhouseCoopers LLP | ||
600 Grant Street | ||
Pittsburgh PA 15219 | ||
Telephone (412) 355 6000 | ||
Facsimile (412) 355 8089 |
March 15, 2010
Securities and Exchange Commission
100 F Street, N.E.
Washington, DC 20549
100 F Street, N.E.
Washington, DC 20549
Commissioners:
We have read the statements made by Tollgrade Communications, Inc. (copy attached), which we understand will be filed with the Securities and Exchange Commission, pursuant to Item 4.01 of Form 8-K, as part of the Form 8-K of Tollgrade Communications, Inc. dated March 11, 2010. We agree with the statements concerning our Firm in such Form 8-K.
We have read the statements made by Tollgrade Communications, Inc. (copy attached), which we understand will be filed with the Securities and Exchange Commission, pursuant to Item 4.01 of Form 8-K, as part of the Form 8-K of Tollgrade Communications, Inc. dated March 11, 2010. We agree with the statements concerning our Firm in such Form 8-K.
Very truly yours,
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