Form of Letter to Brokers, Dealers, Commercial Banks, Trust Companies

THE OFFER AND WITHDRAWAL RIGHTS WILL EXPIRE AT 8:00 AM, NEW YORK

CITY TIME, FRIDAY, AUGUST 29, 2008, UNLESS THE OFFER IS EXTENDED.

We have been appointed by Dialog Merger Sub, Inc., a Texas corporation (“Offeror”) and a wholly owned subsidiary of Convergys Corporation, an Ohio corporation (“Convergys”), to act as Information Agent in connection with Offeror’s Offer to Purchase for cash all the outstanding shares of common stock, without par value (the “Common Stock”) of Intervoice, Inc. (“Intervoice”) (all such shares of Common Stock, together with the associated preferred share purchase rights issued pursuant to the Third Amended and Restated Rights Agreement, dated as of May 1, 2001, by and between Intervoice (fka InterVoice-Brite, Inc.) and Computershare Investor Services, LLC, being referred to as the “Shares”), pursuant to Offeror’s Offer to Purchase all outstanding Shares at $8.25 per Share (the “Offer Price”), upon the terms and subject to the conditions set forth in the Offer to Purchase, dated August 1, 2008 (the “Offer to Purchase”), and in the related Letter of Transmittal (which, together with the Offer to Purchase and any amendments or supplements to the Offer to Purchase or to the Letter of Transmittal, collectively constitute the “Offer”) enclosed herewith. Holders of Shares whose certificates for such Shares (the “Share Certificates”) are not immediately available or who cannot deliver their Share Certificates and all other required documents to the Depositary (as defined below) on or prior to the Expiration Date (as defined in the Offer to Purchase), or who cannot complete the procedure for book-entry transfer on a timely basis, must tender their Shares according to the guaranteed delivery procedures set forth in Section 3—“Procedures for Accepting the Offer and Tendering Shares” of the Offer to Purchase.

Please furnish copies of the enclosed materials to those of your clients for whose accounts you hold Shares registered in your name or in the name of your nominee.

Enclosed herewith for your information and forwarding to your clients are copies of the following documents:

2. The Letter of Transmittal to tender Shares for your use and for the information of your clients. Facsimile copies of the Letter of Transmittal may be used to tender Shares.

3. The Notice of Guaranteed Delivery for Shares to be used to accept the Offer if Share Certificates are not immediately available or if such certificates and all other required documents cannot be delivered to Computershare Trust Company, N.A. (the “Depositary”) on or prior to the Expiration Date (as defined in the Offer to Purchase) or if the procedure for book-entry transfer cannot be completed by the Expiration Date.

4. The letter to shareholders of David W. Brandenburg, Chairman of the Board of Intervoice, accompanied by Intervoice’s Solicitation/Recommendation Statement on Schedule 14D-9 filed with the U.S. Securities and Exchange Commission.

5. A printed form of letter which may be sent to your clients for whose accounts you hold Shares registered in your name or in the name of your nominee, with space provided for obtaining such clients’ instructions with regard to the Offer.

6. Guidelines for Certification of Taxpayer Identification Number on Substitute Form W-9.

YOUR PROMPT ACTION IS REQUESTED. WE URGE YOU TO CONTACT YOUR CLIENTS AS PROMPTLY AS POSSIBLE. PLEASE NOTE THAT THE OFFER AND WITHDRAWAL RIGHTS EXPIRE AT 8:00 AM, NEW YORK CITY TIME, FRIDAY, AUGUST 29, 2008, UNLESS THE OFFER IS EXTENDED.

The Offer is conditioned upon, among other things, there being validly tendered and not properly withdrawn prior to the expiration of the Offer a number of Shares that represents at least two-thirds of the total number of outstanding Shares on a fully diluted basis. See Section 14—“Conditions of the Offer” of the Offer to Purchase.

The Offer is being made pursuant to an Agreement and Plan of Merger, dated as of July 15, 2008 (the “Merger Agreement”), among Convergys, Offeror and Intervoice. The Offer is conditioned upon, among other things, there being validly tendered and not properly withdrawn prior to the expiration of the Offer a number of Shares that represents at least two-thirds of the total number of Shares on a fully diluted basis. See Section 14—“Conditions of the Offer” of the Offer to Purchase. After the completion of the Offer and the satisfaction or waiver of certain conditions, Offeror will merge with and into Intervoice (the “Merger”).

The Intervoice board of directors has unanimously (i) approved the Merger Agreement, and deemed the Merger Agreement, the Offer, the Merger and the transactions contemplated by the Merger Agreement advisable, fair to and in the best interests of Intervoice and the Intervoice shareholders, (ii) approved and adopted the Merger Agreement and the transactions contemplated by the Merger Agreement, including the Offer and the Merger, and (iii) recommended that the Intervoice shareholders accept the Offer and tender their Intervoice Common Stock in the Offer.

In order to take advantage of the Offer, (1) a duly executed and properly completed Letter of Transmittal (or facsimile thereof) and any required signature guarantees, or an Agent’s Message (as defined in the Offer to Purchase) in connection with a book-entry delivery of Shares, and other required documents should be sent to the Depositary, and (2) either Share Certificates representing the tendered Shares should be delivered to the Depositary or such Shares should be tendered by book-entry transfer and a Book-Entry Confirmation (as defined in the Offer to Purchase) with respect to such Shares should be delivered to the Depositary, all in accordance with the instructions set forth in the Letter of Transmittal and the Offer to Purchase.

Holders of Shares whose Share Certificates are not immediately available or who cannot deliver their Share Certificates and all other required documents to the Depositary on or prior to the expiration date of the Offer, or who cannot complete the procedure for delivery by book-entry transfer on a timely basis, must tender their Shares according to the guaranteed delivery procedures set forth in Section 3—“Procedures for Accepting the Offer and Tendering Shares” of the Offer to Purchase.

Offeror will not pay any commissions or fees to any broker, dealer or other person (other than the Depositary and Georgeson, Inc. (the “Information Agent”) (as described in the Offer to Purchase)) for soliciting tenders of Shares pursuant to the Offer. Offeror will, however, upon request, reimburse you for customary clerical and mailing expenses incurred by you in forwarding any of the enclosed materials to your clients. Offeror will pay or cause to be paid any stock transfer taxes payable on the transfer of Shares to it, except as otherwise provided in Instruction 6 of the Letter of Transmittal.

Any inquiries you may have with respect to the Offer should be addressed to the Information Agent at its address and telephone numbers set forth on the back cover of the Offer to Purchase. Additional copies of the enclosed materials may be obtained from the Information Agent.

Nothing contained herein or in the enclosed documents shall make you or any other person the agent of Offeror, Convergys, the Depositary or the Information Agent, or any affiliate of any of them, or authorize you or any other person to make any statement or use any document on behalf of any of them in connection with the offer other than the enclosed documents and the statements contained therein.