Know all by these presents, that the undersigned hereby constitues and appoints
each of Robert B. Wagner, Nancy C. Jones, and Cindy Earnest, signing singly,
the undersigned's true and lawful attorney-in-fact to:

(1) Execute for and on behalf of the undersigned, Forms 3, 4 and 5 (including
amendments thereto) in accordance with Section 16(a) of the Securities Exchange
Act of 1934, as amended, and the rules thereunder, with respect to securities
in XETA Technologies, Inc. (the "Company");

(2) do and perform any and all acts for and on behalf of the undersigned that
may be necessary or desirable to complete and execute any such Form 3, 4 or 5
(including amendments thereto) and timely file such Form with the United States
Securities and Exchange Commission and any stock exchange or similar authority;
and

(3) take any other action of any type whatsoever in connection with the
foregoing that, in the opinion of the attorney-in-fact, may be of benefit to,
in the best interest of, or legally required of the undersigned, it being
understood that the documents executed by the 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 the attorney-in-fact may approve in
the attorney-in-fact's discretion.

The undersigned hereby grants to each such attorney-in-fact full power and
authority to do and perform any and every act and thing whatsoever requisite,
necessary, or proper to be done in the exercise of any of the rights and
powers herein granted, as fully to all intents and purposes as the undersigned
might or could do if personally present, with full power of substitution or
revocation, hereby ratifying and confirming all that the attorney-in-fact,
or the attorney-in-fact's 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, and their substitues, in serving in such capacity at the request of
the undersigned, are not assuming, nor is the Company assuming, (i) any of
the undersigned's responsibilities to comply with Section 16 of the Securities
Exchange Act of 1934 or (ii) any liability of the undersigned for failure to
comply with such requirements.  This Power of Attorney does not relieve the
undersigned from the undersigned's obligations to comploy with the reuirements
of the Securities Exchange Act of 1934, including without limitation the
reporting requirements under Section 16 thereunder.

This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4 and 6(including amend-
ments thereto) with respect to the undersigned's holdings of and
transactions in securities issued by the Company, unless earlier revoked by
the undersigned in a signed writing delivered to the foregoing attorneys in
fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of the 4th day of December, 2007.

/s/Edward F. Keller
Edward F. Keller