AMENDMENT NO. 3 TO THE SERIES C WARRANTS OF JUMA TECHNOLOGY, CORP

Exhibit 4.1

AMENDMENT NO. 3 TO THE

SERIES C WARRANTS

OF

JUMA TECHNOLOGY, CORP.

This Amendment No. 3 (this “ Amendment ”), dated as of October 15, 2008, by and among Juma Technology Corporation, a Delaware corporation (the “ Company ”), Vision Opportunity Master Fund, Ltd. and Vision Capital Advantage Fund, L.P. (the “ Holders ”) hereby amends the Series C Warrants to purchase shares of Common Stock of the Company dated August 16, 2007 and issued to the Holders, as amended by Amendment No. 1, dated August 15, 2008, and Amendment No. 2, dated September 12, 2008 (the “ Warrants ”). Terms used in this Amendment without definition shall have the meanings given them in the Warrants.

WHEREAS , the Company is the issuer and the Holders are the holders of the Warrants;

WHEREAS , the Company and the Holders now desire to amend the Warrants as more fully set forth herein; and

WHEREAS , this Amendment will be effective when it is executed by the Company.

NOW THEREFO