LIMITED POWER OF ATTORNEY FOR
SECTION 16 REPORTING OBLIGATIONS


KNOW
ALL BY THESE PRESENTS, that the undersigned hereby constitutes and appoints
Robert Scheussler, Diane Gulling, and William Smith, and Patrick Arrington
and Amy Hansen and certain other members or persons associated with Dorsey
& Whitney LLP, and each of them with full authority to act without the
others, as the undersigned's true and lawful attorneys-in-fact
to:

(1)	execute for and on behalf of the undersigned, in the
undersigned's capacity as a reporting person pursuant to Section 16 of the
Securities Exchange Act of 1934, as amended (the "Exchange Act"), and the
rules thereunder of Smith Micro Software, Inc. (the "Company"), Forms 3, 4
and 5 in accordance with Section 16(a) of the Exchange Act;

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

(3)	take any
other action of any type whatsoever in connection with the foregoing which,
in the opinion of any of such attorneys-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 any of such attorneys-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 any of such
attorneys-in-fact may approve in the discretion of any of such
attorneys-in-fact.

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 any of such attorneys-in-fact, or the substitute or
substitutes of any of such attorneys-in-fact, 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, nor is the Company assuming, any of the
undersigned's responsibilities to comply with Section 16 of the Exchange
Act.

This Power of Attorney shall remain in full force and effect until
the undersigned is no longer required to file Forms 3, 4 and 5 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 this
17 day of July, 2003.

Signature: /s/Robert W. Scheussler
Name: Robert
W. Scheussler