EMPLOYMENT AGREEMENT WITH ANTHONY SERVIDIO

EXHIBIT 10.24

Employment Agreement with Anthony Servidio

December 17, 2003

Anthony Servidio

[Home address omitted]

Dear Anthony:

As you know, ITXC has entered into an agreement with Teleglobe which is anticipated to result in a merger between the two companies in the event that a series of conditions are met. Unless and until that transaction is consummated, ITXC will continue to operate as an independent company. The purpose of this letter is to describe a Special Incentive Retention Pay Plan that has been adopted to encourage certain employees such as you to remain employees for a transition period following the closing of the transaction. We have not identified a position for you with the combined company past the transition period at this time although we will continue to evaluate your skills for positions which do open up. If the transaction with Teleglobe does not close, our current plan is to continue your position as we evaluate the future needs of the business.

This Plan is also intended to provide severance benefits to those employees whose employment will terminate in connection with the merger, assuming it occurs, subject to the employees’ execution and delivery of a Separation and General Release Agreement. Currently, we anticipate your transition period being more than 9 months but less than 12 months following the closing of the transaction. This date is only an estimate and is subject to change. Unless you are terminated for cause, even if Company plans change, you will receive at least your base salary and the bonus described below as if you had been employed for 9 months after closing.

In the event the transaction is consummated, the Special Incentive Retention Pay Plan will be administered as detailed below, with the bonus paid to you in one lump sum, less customary deductions and withholdings required by applicable law, on the first regularly scheduled pay date following your termination date:

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If you remain employed by the new organization for six (6) months or more but less than nine (9) months after closing, you will be