POWER OF ATTORNEY
For Obtaining EDGAR Codes and Executing and Filing Form 3, 4, and 5

Know all by these presents, that the undersigned hereby constitutes
and appoints each of Craig E. Holmes, Dean C. Howell, and Roxanne R. Holmsen
signing singly, his/her true and lawful attorney-in-fact to:

1.  file for and obtain EDGAR access codes on my behalf.

2.  execute for and on behalf of the  undersigned  Forms 3, 4 and 5 in
    accordance  with Section 16(a) of the  Securities  Exchange Act of
    1934 and the rules thereunder;

3.  do and perform any and all acts for and on behalf of the
    undersigned which may be necessary or desirable to complete the
    execution of any such Form 3, 4 or 5 and the timely filing of
    such form with the United States Securities and Exchange
    Commission and any other authority; and

4.  take any other action of any type whatsoever in connection with
    the foregoing which, in the opinion of such attorney-in-fact, may
    be of benefit to, in the best interest of, or legally required
    by, the undersigned, it being understood that the documents
    executed by such attorney-in-fact on behalf of the undersigned
    pursuant to this Power of Attorney shall be in such form and
    shall contain such terms and conditions as such attorney-in-fact
    may approve in his or her discretion.

The undersigned hereby grants to each such attorney-in-fact, for so
long as the undersigned is an employee or director of Intervoice, Inc., full
power and authority to do and perform all and every act and thing whatsoever
requisite, necessary and proper to be done in the exercise of any of the
rights and powers herein granted, as fully to all intents and purposes as
such attorney-in-fact might or could do if personally present, with full
power of substitution or revocation, hereby ratifying and confirming all
that such attorney-in-fact, or his or her substitute or substitutes, shall
lawfully do or cause to be done by virtue of this power of attorney and
the rights and powers herein granted. The undersigned acknowledges that
the foregoing attorneys-in-fact, in serving in such capacity at the request
of the undersigned, are not assuming any of the undersigned's
responsibilities to comply with Section 16 of the Securities Exchange
Act of 1934.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney
to be executed as of this 25th day of June, 2007.


                                      //S//
                                     Signature


                       DANIEL D. HAMMOND
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                        Printed Name