Exhibit 31.4
CERTIFICATION OF CHIEF FINANCIAL OFFICER
PURSUANT TO SECTION 302 OF
THE SARBANES-OXLEY ACT OF 2002
I, Michael Ashby, certify that:
| 1. | I have reviewed this Amendment No. 1 to the quarterly report on Form 10-Q of Calix, Inc. for the quarter ended September 29, 2012; |
| 2. | Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report. |
| Date: December 18, 2012 | /s/ Michael Ashby | |||
| Michael Ashby | ||||
| Chief Financial Officer | ||||