Document:

<PAGE>   1
                                                                   EXHIBIT 10.25

                        AGREEMENT FOR TEMPORARY SERVICES
                 IN SUPPORT OF INFORMATION TECHNOLOGY SOLUTIONS

This is an agreement ("Agreement"), effective when signed by both parties,
between AT&T BROADBAND and ARIS CORPORATION, 2229 NE 112TH AVENUE, BELLEVUE, WA
98006 (hereinafter called "Consulting Firm") for services provided by technical
employees listed in Attachment "A" (hereinafter called "Consultants" or,
individually, a "Consultant") as set forth herein.

1.   TERM

This Agreement shall take effect on MAY 22, 2000 and remain in effect until
DECEMBER 31, 2000 or until terminated as specified herein. During this period,
Consultants will perform work as specified by AT&T Broadband and will maintain
an hourly time record in a daily time keeping log. The log shall be available
for review by AT&T Broadband upon request. Failure to provide proof of adequate
time keeping or falsification of time keeping records shall be grounds for
withholding payment of questioned amounts to Consulting Firm pending resolution
of such matters and/or termination of this Agreement for non-performance.
Adequate time keeping shall be defined as the capability to document hours
worked toward specified initiatives on any date during the term of this
Agreement.

2.   SCOPE OF WORK

Consultants will provide AT&T Broadband with consulting and related professional
services for any and all projects specified by AT&T Broadband during the term of
this Agreement. Consultants shall perform such work at various AT&T Broadband
facilities, whether or not owned or leased by AT&T Broadband and/or any
affiliates thereof. Upon written request of Consulting Firm, AT&T Broadband will
provide Consultants with a prioritized objective set, which may be amended
and/or modified from time to time, at the sole discretion of AT&T Broadband,
identifying project management and delineating project deadlines, milestones,
and commitments for the term of this Agreement. Modifications or enhancements in
the objective set do not constitute an amendment to or nullification of this
agreement. Consultants shall provide written or oral progress reports as
requested by AT&T Broadband.

3.   PROPERTY RIGHTS

All inventions, discoveries, trade secrets, designs and improvements thereto
(whether any of the foregoing are patentable or not), including but not limited
to, computer programs, systems designs, work notes, program plans,
specifications, project analysis, programming code and related documentation or
any work of authorship conceived, created or made by Consultants or Consulting
Firm, alone or with others, arising out of the performance of services
hereunder ("Work Product") are the sole and exclusive property of AT&T
Broadband, and, upon payment by AT&T Broadband to Consulting Firm, Consulting
Firm hereby assigns all rights, title and interest in and to such Work Product
to AT&T Broadband. Consulting Firm agrees, and agrees to cause Consultants, to
execute for the benefit of AT&T Broadband, without additional compensation (but
at AT&T Broadband's expense), all patent applications, assignment instruments,
affidavits and other documents which may be determined by counsel to AT&T
Broadband to be necessary or desirable in order to (a) vest in AT&T Broadband
all rights to Work Product owned by AT&T Broadband pursuant to the terms of
this Agreement, and (b) enable AT&T Broadband to obtain patent coverage thereon
in any countries.

4.   NON-DISCLOSURE OF CONTRACT TERMS

Consulting Firm understands that the terms and conditions of this Agreement are
AT&T Broadband proprietary information and agrees not to disclose such
information to any individual or company unless expressly required to do so by
a valid order of a court or other governmental body of the United States or any
political subdivision thereof, provided that Consulting Firm has given AT&T
Broadband prompt prior notice of such order and has afforded AT&T Broadband
adequate opportunity to obtain a protective order or other appropriate
protection. Consulting Firm further understands that violation of this
provision will constitute a material breach of this Agreement and will result
in termination of this Agreement.

5.   STAFFING

Consulting Firm agrees that AT&T Broadband shall have the right to retain the
services of any or all of Consulting Firm's employees named in this Agreement
for the duration of this Agreement. Consulting Firm agrees that AT&T Broadband
may, at its sole discretion, relinquish the services of any or all of
Consulting Firm's employees, without further obligation to Consulting Firm. In
the event that AT&T Broadband relinquishes the services of one or more of
Consulting Firm's employees, AT&T Broadband may elect, but shall not be
obligated, to accept alternate personnel from Consulting Firm to fulfill
outstanding requirements. Consulting Firm shall have the right to withdraw the
services of individual Consultants and establish a new end date for Consultants
named in this agreement upon 45 days written notice to AT&T Broadband given
prior to the revised end date.

                                  Page 1 of 9
<PAGE>   2
Consulting Firm also agrees that any of Consulting Firm's employees who are
contracted to work 30 hours or more per week for AT&T Broadband, shall not
concurrently work for any AT&T Broadband competitor. AT&T Broadband will notify
Consulting Firm of companies who are considered competitors. Consulting Firm
further agrees that it will not solicit AT&T Broadband employees, or employees
of another entity performing services at AT&T Broadband, for employment
placements or consulting positions outside AT&T Broadband. In addition to other
legal remedies available, violation of the above conditions will result in
representatives of the Consulting Firm being prohibited from entering AT&
Broadband facilities. AT&T Broadband further agrees not to directly or
indirectly solicit employees of the Consulting Firm.

6.   FEES & PAYMENTS

Consulting Firm will be paid for total hours worked by each individual, based
upon the Consultant rate schedule contained in Attachment "A" and associated
Consulting Work Orders. The basis of calculating the monthly payment will be
the hours as recorded in the daily time keeping log. Weekly time keeping will
commence at the start of working hours on Monday. Consulting Firm shall invoice
AT&T Broadband at monthly intervals, ON A CALENDAR MONTH BASIS, for all labor
cost and pre-approved expenses occurred for such time period. Consulting Firm
understands that failure of a Consultant to complete the performance term
specified in Attachment "A" will result in severe damages to AT&T Broadband,
which actual damages would be difficult to ascertain. Accordingly, in the event
of failure of any Consultant to complete the performance term specified in
Attachment "A", AT&T Broadband will be entitled to liquidated damages equal to
the last 100 hours billed by Consulting Firm to AT&T Broadband for said
Consultant's labor. Consulting Firm and AT&T Broadband agree that this amount
is reasonable in light of the anticipated harm to AT&T Broadband, and does not
constitute a penalty. Notwithstanding the foregoing, AT&T Broadband will not
invoke the aforementioned release of payment obligation for Consultants who
have left the employment of Consulting Firm.

7.   INDEPENDENT CONTRACTOR

Consulting Firm enters into this agreement as an independent contractor and for
no purpose shall Consultants be deemed employees or agents of AT&T Broadband.
Consultants will not represent themselves as employees of AT&T Broadband nor
make contractual obligations between AT&T Broadband and any third party. AT&T
Broadband will not treat Consultants as an employee for purposes of federal or
state income tax withholding, FICA withholding, or any other taxation purpose or
law, including the Internal Revenue Code of 1986, as amended. No partnership,
employment or agency has been or is intended to be formed by this Agreement.
Accordingly, Consulting Firm understands that AT&T Broadband is not required to
provide Consultant's with Worker's Compensation, and Consulting Firm
acknowledges and understands that Consulting Firm is solely responsible for
employer withholding of Consultant's federal and state income tax, social
security, unemployment, and disability taxes, if any. AT&T Broadband is
primarily interested in the results to be achieved by the Consultant, and the
Consultant shall have the sole discretion to determine the methods used to
complete the tasks assigned under this Agreement.

8.   TERMINATION

A)   TERMINATION FOR CONVENIENCE:

     AT&T Broadband may, at its discretion, terminate the work under this
     Agreement at any time by providing 14 days' written notice to the
     Consulting Firm, such notice specifying the effective termination date. In
     the event AT&T Broadband terminates the work or this agreement for its
     convenience, subject to any liquidated damages due hereunder, AT&T
     Broadband will pay Consulting Firm for the work performed up to the
     effective date of termination. In no event shall AT&T Broadband be
     obligated to pay for any services provided or expenses incurred beyond the
     effective date of termination.

B)   TERMINATION FOR CONSULTANT'S NON-PERFORMANCE

     If any Consultant fails to perform as provided herein, AT&T Broadband may
     provide written notification to Consulting Firm of its intent to terminate
     the Agreement for such Consultant's non-performance, which notice shall
     specify Consultant's non-performance. If Consulting Firm fails to cure such
     default to AT&T Broadband's reasonable satisfaction within ten business
     days from notification, AT&T Broadband may, but shall not be obligated to,
     immediately terminate this Agreement upon notice to Consulting Firm. In the
     event AT&T Broadband terminates this Agreement for any Consultant's
     non-performance, AT&T Broadband, subject to any liquidated damages due
     hereunder, will pay Consulting Firm for work performed up to the date of
     written notification of intent to terminate.

C)   INCIDENTAL EXPENSES INCURRED BY CONSULTANTS

                                  Page 2 of 9
<PAGE>   3
     In the event of termination for any reason, AT&T Broadband's obligation
     shall be limited to payment of costs incurred by Consultants prior to the
     effective date of termination, providing such costs were previously
     approved, in writing, by AT&T Broadband project management.

9. REPRESENTATIONS AND WARRANTIES OF CONSULTING FIRM

Consulting Firm represents and warrants as follows: (a) to the best of
Consulting Firm's knowledge (after suitable investigation) Consultants have the
ability, knowledge, and expertise to adequately perform the services contracted
hereunder and Consultants will perform the services in a professional manner
and in accordance with the highest industry standards; (b) all Work Product
delivered to AT&T Broadband under this Agreement shall be free from any claim
of alleged or actual libel, slander, defamation, infringement of copyright or
other intellectual property right, piracy, plagiarism or invasion of the right
of privacy or publicity except to the extent that such Work Product is created
under the direction of or to the specifications of AT&T Broadband; (c) all
services performed by Consulting Firm and Consultants in connection with this
Agreement shall be performed in compliance with all applicable federal, state
and local laws, rules and regulations; and (d) all Consultants are employees of
Consulting Firm and Consulting Firm shall provide Consultants with workers'
compensation benefits, unemployment insurance, tax withholding, FICA, or other
contributions and benefits on behalf of or for the benefit of Consultants in
compliance with all applicable federal, state and local laws, rules and
regulations.

10. NON-ASSIGNABILITY

Consulting Firm may not assign its rights or delegate its obligations under
this Agreement to any third party without prior written consent of AT&T
Broadband.

11. CONFIDENTIALITY

Before any Consultant begins to perform services under this Agreement,
Consulting Firm shall require all Consultants to execute a Non-Disclosure and
Ownership of Rights Agreement ("Non-Disclosure Agreement") in a similar form as
attached hereto as Attachment "B".

12. SEVERABILITY

Should any part of this Agreement for any reason be declared invalid or void,
such decision shall not affect the remaining portion which will remain in full
force and effect as if this Agreement had been executed with the invalid
portion eliminated.

13. GOVERNING LAW

This Agreement shall be governed by the internal laws of the State of Colorado
both as to interpretation and performance.

14. CAPTIONS AND HEADINGS; COUNTERPARTS

All captions, headings, and titles contained in this Agreement are for
convenience and reference purposes only and shall not be deemed a part of this
Agreement. This Agreement may be executed and delivered in counterparts, all of
which taken together shall constitute a single instrument.

15. ENTIRE AGREEMENT

This Agreement, shall constitute and define the entire and complete rights of
both parties and shall supersede all prior oral and written offers,
negotiations and agreements between the two parties. In no event shall any
implied contract be asserted by either party except as herein stipulated.

16. INDEMNITY; INSURANCE AND LIMITATION OF LIABILITY

A)   INDEMNITY. Consulting Firm shall indemnify, defend and hold harmless AT&T
Broadband, its partners, officers, directors, employees and agents from and
against any and all losses, damages, claims, liabilities, judgments, actions,
settlements, lawsuits, costs (including, without limitation, reasonable
attorneys' fees and costs and expenses of legal actions) and expenses resulting
from or arising out of (i) any breach or reasonably anticipated breach of a
Non-Disclosure Agreement by any Consultant; (ii) or by any gross negligence or
intentional misconduct of any Consultant or Consulting Firm; or (iii) any
matters related to the employment of any Consultant by Consulting Firm.

B)   INSURANCE. At all times during the term of this Agreement and during the
performance of any services hereunder, Consulting Firm shall maintain (i)
worker's compensation and any other insurance required by applicable laws; and
(ii) comprehensive general public liability and property damage insurance, in
amounts not less than $1,000,000 per occurrence, $500,000 per person and
$500,000 per occurrence in property damage. Such insurance shall (a) be

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<PAGE>   4
noncancelable except upon 30 days' written notice to AT&T Broadband; (b) name
AT&T Broadband, its parents, subsidiaries, affiliated and/or related companies,
joint ventures and other related business entities and licensees, and their
respective officers, directors, agents, representatives and employees, as
additional insureds; (c) provide primary coverage to AT&T Broadband,
irrespective of any insurance carried by AT&T Broadband, whether primary,
excess, contingent, or on any other basis; and (d) include a waiver of any
rights of subrogation the insurer may have against AT&T Broadband. Consulting
Firm shall provide AT&T Broadband with certificates of such coverage at AT&T
Broadband's request.

C) LIMITATION OF LIABILITY. In no event shall either party hereto be liable to
the other for consequential, indirect, or special damages for any matter
arising out of the performance or nonperformance hereunder of for any breach of
warranty, regardless of the form of action and regardless of whether a party
was advised of the possibility of such damages. The foregoing limitation of
liability is a material inducement to the parties entering into this Agreement.

17. AMENDMENTS AND NOTICES

All amendments, addenda and supplements to this Agreement shall be in writing
and signed by both parties. In no event shall terms contained in any related
purchase order or invoice be made a part of this Agreement. All notices and
claims shall be made only in writing and shall be deemed made upon the earlier
of receipt or three days after deposit in the U.S. mail prepaid. Any
non-written notice or claim shall be of no effect. Notices or correspondence
under this Agreement shall be delivered from one party to the other, by
overnight delivery, facsimile, or by registered or certified mail, addressed
as follows:

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<PAGE>   5
          IF TO AT&T BROADBAND:
               Lori Allen
               AT&T Broadband
               5619 DTC Parkway, 4th Floor
               Englewood, CO 80111
               Telephone: (303) 267-5649
               FAX:       (303) 488-3204

          WITH A COPY SIMILARLY ADDRESSED TO:
               Legal Department
               9197 South Peoria Street
               Englewood, CO 80112

          IF TO CONSULTING FIRM:
               General Counsel
               Aris Corporation
               2229 NE 112th Avenue
               Bellevue, WA 98006

IN WITNESS WHEREOF, the parties have caused this Agreement to be duly signed
and executed with the intention of becoming legally bound thereby.

ARIS CORPORATION                              AT&T BROADBAND CORPORATION

By: /s/ KENDALL W. KUNZ                       By: /s/ JONATHAN H. WALTER
-------------------------                     -----------------------------
   Name:
   Title:

Date:   5-30-00                               Date:   5/30/2000
-------------------------                     -----------------------------

                                  Page 5 of 9
<PAGE>   6
                                 ATTACHMENT "A"
                                     to the
                 Agreement for Temporary Services in Support of
                        Information Technology Solutions
                          REVISION  0 -- MAY 22, 2000

Consulting Firm Named Employees to Perform under this Agreement

<TABLE>
<CAPTION>
Consultant Name          Position                 Hourly Rate    Start     End
<S>                      <C>                      <C>            <C>       <C>
*                        *                        *              *         *
*                        *                        *              *         *
*                        *                        *              *         *
*                        *                        *              *         *
*                        *                        *              *         *
</TABLE>

ARIS CORPORATION                        AT&T BROADBAND

By: /s/ KENDELL W. KUNZ                 By:
   -------------------------------         -------------------------------
   Name:
   Title:

Date:  5-30-00
     ------------------------------

* Portions of this agreement have been omitted pursuant to a request for
  confidential treatment pursuant to SEC Rule 24b-2, to be filed separately with
  the SEC no later than April 10, 2001.

                                                                     Page 6 of 9

<PAGE>   7
                                  ATTACHMENT B
                              CONSULTING AGREEMENT
                               DATED MAY 22, 2000

        NON-DISCLOSURE AND OWNERSHIP OF INTELLECTUAL PROPERTY AGREEMENT

     THIS NONDISCLOSURE AND OWNERSHIP OF INTELLECTUAL PROPERTY AGREEMENT (the
"Agreement") is entered into effective May 22, 2000 by and between Aris
Corporation ("Consulting Firm") and _______________________ ("Employee").

                                    RECITALS

     A.   Consulting Firm has entered into a Consulting Agreement dated May 22,
2000 (the "Consulting Agreement") with AT&T Broadband Management Corporation
("AT&T Broadband"), which Consulting Agreement contains strict confidentiality
provisions.

     B.   In the course of his or her employment by Consulting Firm, Employee
will perform or has performed services on behalf of AT&T Broadband pursuant to
the Consulting Agreement, all of which services are governed by the
confidentiality provisions of the Consulting Agreement.

     C.   In the performance of services on behalf of AT&T Broadband pursuant
to the Consulting Agreement, Employee may participate in the creation of AT&T
Broadband Work, as defined below, which is subject to the restrictions,
ownership and assignment provisions of the Consulting Agreement.

     For valuable consideration, the sufficiency of which is hereby
acknowledged by both parties, Consulting Firm and Employee agree as follows:

     1.   DUTY OF CONFIDENTIALITY. All non-public information which is part of
AT&T Broadband Work, as defined below, or is disclosed by AT&T Broadband to
Consulting Firm or Employee in business plans, briefings, documents, personnel
records, reports or otherwise obtained by Consulting Firm or Employee in
connection with the provision of services pursuant to the Consulting Agreement,
whether in oral or written form, (collectively, the "Confidential Information")
shall be AT&T Broadband's proprietary right and property, and Employee shall
keep all such Confidential Information in the strictest confidence and not
reproduce, transmit or disclose any such Confidential Information to any other
person, organization or entity without first obtaining the express written
consent of AT&T Broadband. This prohibition shall extend to use of any such
Confidential Information, individually or in aggregate form, in promotional
materials, validation or other studies or in any other way. Notwithstanding the
foregoing, disclosure of Confidential Information shall not be precluded if
such disclosure is in response to a valid order of a court or other
governmental body of the United States or any political subdivision thereof,
provided that Employee has given both Consulting Firm and AT&T Broadband prompt
prior notice of such order and has afforded AT&T Broadband an adequate
opportunity to obtain a protective order or other appropriate protection.

     2.   INTELLECTUAL PROPERTY RIGHTS. Employee agrees that AT&T Broadband (in
accordance with the Consulting Agreement) will be the sole and exclusive owner
of all rights, title and interest in all ideas, concepts, inventions,
expressions, information, material and works of authorship, whether written
pictorial, photographic, audio, video, digital, electronic, or otherwise,
regardless of the location, possession, form or physical embodiment, including,
without limitation, plans, programs,  programming code, systems, work notes,
drafts, specifications, analyses, data, surveys, print copy, artwork, sound
recordings, song lyrics, plates, photo negatives and positives, boards,
preliminary outlines, sketches,  letters, invoices, proposals, databases, and
reports (including developments, modifications, and  improvements in existing
products, services and Confidential Information of AT&T Broadband), patentable
or unpatentable, prepared in connection with the performance of services for
AT&T Broadband pursuant to the Consulting Agreement, whether conceived or made
by Employee, alone or with others (collectively, the "AT&T Broadband Work").

     3.   WORK FOR HIRE; ASSIGNMENT OF RIGHTS. Employee acknowledges that any
AT&T Broadband Work which he/she may create, alone or with others, is prepared
by Employee within the scope of his/her employment with Consulting Firm, and, to
the fullest extent permitted under United States copyright law, shall constitute
work made for hire, to which Consulting Firm has sole and exclusive right to
assign to, and has in fact has assigned to, AT&T Broadband. Furthermore, in the
event that all rights, title and interest in the AT&T Broadband Work do not vest
automatically in Consulting Firm. Employee hereby irrevocably assigns to
Consulting Firm, its successors and assigns,

                                                                     Page 7 of 9
<PAGE>   8
(for assignment to AT&T Broadband) any and all rights, title and interest that
Employee has in any of the AT&T Broadband Work, including, but not limited to,
copyrights, trade secrets, patents, trademarks and other intellectual property
rights, whether now known or hereafter to become known, for the respective
maximum terms of protection available throughout the world. During the term of,
and following termination of, this Agreement, Employee will not use, or submit
to or permit the use by any third parties of, any AT&T Broadband Work without
AT&T Broadband's prior written consent.

      4.  COOPERATION IN LEGAL AND BUSINESS MATTERS. Employee agrees to
cooperate fully with Consulting Firm and AT&T Broadband in connection with any
legal or business matter, including, without limitation, any dispute, claim or
lawsuit, relating to the services provided by Employee to AT&T Broadband
pursuant to the Consulting Agreement. AT&T Broadband will have the right to
obtain and hold in its own name the patents, copyrights and trademarks, any
registrations, renewals and extensions thereof, and any other rights or
protections which may be available or become available in the AT&T Broadband
Work. Employee will provide assistance to Consulting Firm and AT&T Broadband in
every proper way to obtain and enforce the rights and protections relating to
the AT&T Broadband Work in any and all countries. Assistance of Employee
includes executing all documents for use in obtaining and enforcing such
patent, copyright, trademark, and other rights and protections in the AT&T
Broadband Work, as Consulting Firm and AT&T Broadband may desire, and any
assignments. Employee hereby irrevocable designates and appoints consulting
Firm and its duly authorized officers and agents as Employee's agent and
attorney-in-fact, to act for and in Employee's behalf and stead to obtain,
perfect and protect AT&T Broadband's proprietary rights in the AT&T Broadband
Work, with the same legal force and effect as if executed by Employee, if
Consulting Firm is unable to obtain for any reason, after reasonable effort,
Employee's consent or signature on any document.

      5.  TERM. This Agreement shall commence on the date first above written
and shall continue in effect for the term of Consulting Firm's provision of
services to AT&T Broadband pursuant to the Consulting Agreement.

      6.  SURVIVAL. The restrictions and obligations of Paragraph 1, 2, 3 and 4
of this Agreement shall survive the expiration of this Agreement.

      7.  THIRD PARTY BENEFICIARY. The parties acknowledge that the execution
of this Agreement by Consulting Firm and Employee is an essential part of AT&T
Broadband's consideration in connection with the Consulting Agreement. The
parties acknowledge that AT&T Broadband is a third party beneficiary of this
Agreement and shall have the right to enforce all provisions of this Agreement
as if it were a party to this Agreement.

      8.  EQUITABLE RELIEF. Employee acknowledges that AT&T Broadband and
Consulting Firm could be irreparably injured by a breach of this Agreement by
Employee, and that both AT&T Broadband and Consulting Firm, or either of them,
in addition to any other remedies available at law or in equity, shall be
entitled to equitable relief, including injunctive relief and specific
performance, in the event of any breach or anticipated breach of the provisions
of this Agreement by Employee.

      9.  INVALID PROVISION. If any provision of this Agreement is held to be
illegal, invalid or unenforceable, such provision shall be fully severable and
this Agreement shall be construed and enforced as if such illegal, invalid, or
unenforceable provision had never comprised a part of this Agreement.

      10. NOTICES. Any notices or other communications contemplated or required
under this Agreement, in order to be valid, shall be in writing and shall be
given via personal delivery or via U.S. mail at such addresses either
previously designated in the contract or at such other addresses as either
party may designate by notice to the other. Such notices or other
communications shall be deemed given when actually delivered or, if earlier,
three business days after mailing.

      11. INTEGRATION. This Agreement supersedes all previous oral and written
agreements, if any, between the parties regarding the confidentiality of
information disclosed to Consulting Firm or Employee by AT&T Broadband; it may
not be amended or altered except by an agreement in writing signed by both
parties.

      12. GOVERNING LAW. This Agreement shall be construed and enforced in
accordance with the internal laws of the State of Colorado.

      13. COUNTERPARTS. This Agreement may be executed in counterparts which,
taken together, shall constitute one Agreement.

                                                           Page 8 of 9  05/30/00

<PAGE>   9

        The parties have entered into this Nondisclosure and Ownership of
Intellectual Property as of the date first above written.

                                        ARIS CORPORATION

                                        By:
                                           ------------------------------------
                                        Name:

                                        Title:

                                        EMPLOYEE

                                        By:
                                           ------------------------------------
                                        Name:

                                                                     page 9 of 9<PAGE>   1
                                                                  EXHIBIT 10.26

                                ARIS CORPORATION
                        PROFESSIONAL SERVICES AGREEMENT

        This Agreement is entered into as of January 5, 1998 (the "Effective
Date"), between ARIS Corporation, a Washington corporation ("ARIS"), and Aspect
Telecommunications, Inc., a California corporation ("Customer").

        A. ARIS is a company engaged in the business of providing computer
integration consulting and training services.

        B. Customer desires that ARIS provide certain services to Customer, on
the terms and conditions set forth below.

The parties agree as follows:

1.      SERVICES; WORK ORDER(S)

ARIS agrees to perform the services (the "Services") described on Work Order(s)
which are executed from time to time by authorized representatives of both
parties and which reference this Agreement. Such Work Order(s) shall constitute
an integral part of this Agreement and if there is any term or provision in the
Work Order(s) which are inconsistent with the terms and provisions of the main
body of this Agreement, the terms and provisions in the Work Order(s) shall
prevail.

2.      CHARGES; INVOICING AND PAYMENT.

As consideration for ARIS' Services, Customer agrees to pay ARIS the amounts set
forth on the Work Order, at the times and in the manner set forth on the Work
Order. Unless otherwise specified on the Work Order, Services shall be provided
to Customer on a time and materials basis, at prevailing ARIS rates. In
addition, Customer will pay, unless otherwise specified on the Work Order, (a)
ARIS' reasonable out-of-pocket expenses actually incurred as a result of ARIS'
performance of Services, provided that all such expenses are substantiated by
appropriate written receipts; and (b) all taxes (except franchise or income
taxes) based on or measured by the charges set forth in this Agreement, or based
on any Services provided.

Invoices will be issued semi-monthly by ARIS. Payment is due within 30 days
after Customer's receipt of the invoice. A delayed payment charge of one and
one-half percent (1.5%) of the invoice amount will be paid by Customer for each
30-day period (or part thereof) of delay in payment beyond the payment due date.

3.      TERM AND TERMINATION.

This Agreement will commence on the Effective Date specified above and, unless
earlier terminated as provided below, shall remain in effect until all of the
Services have been completed and all of the work products or deliverables (the
"Deliverables") specified on any Work Order have been delivered.

This Agreement and the obligations of the parties hereunder may terminate early
upon the occurrence of any of the following events: (i) completion of the
Services by ARIS; (ii) the institution of voluntary or

<PAGE>   2

involuntary proceedings by or against any party in bankruptcy or under any
insolvency law, or for corporate reorganization; the appointment of a receiver
or petition for the dissolution of any party or an assignment by a party for the
benefit of creditors; or (iii) upon fourteen (14) days written notice given by
one party to the other party if the other party has committed a material breach
of this Agreement and such breach has not been cured within such notice period.
Upon termination of this Agreement, any outstanding work orders or portions of
the any work orders which have not been performed shall deemed to be canceled.
Customer shall be entitled to all work products and deliverables which have been
completed or partially completed by ARIS at the time of termination. Except
where the Agreement is terminated upon ARIS' breach of this Agreement, ARIS
shall be paid any amounts owing for Services performed and expenses incurred
through the termination date, and Customer shall also reimburse ARIS for the
costs of all non-cancelable committed Services and materials on order (which
shall become Customer's property) resulting from such termination or suspension
of Services.

4.      RECORDS AND PROGRESS REPORTS.

ARIS shall keep full and accurate records of all of its labor hours and
reimbursable expenses incurred in connection with this Agreement. ARIS shall
provide access to such records upon Customer's reasonable request. ARIS will
make periodic status or progress reports to Customer at such times and in such
form as is mutually agreed in the applicable Work Order.

5.      OWNERSHIP AND USE OF INTELLECTUAL PROPERTY; INDEMNITY

During the term of this Agreement, as a result of ARIS' efforts under this
Agreement, ARIS may generate ideas, inventions, suggestions, copyrightable
materials or other information ("Intellectual Property") which fall into one of
two categories:

        a. Intellectual Property specifically related to the subject matter of
        ARIS' efforts under this Agreement, and directly related to, or
        incorporated into, the work product to be produced by ARIS and delivered
        to Customer under this Agreement ("Work Product"). Title to Intellectual
        Property described in this paragraph 5a, that is developed solely by
        ARIS, or jointly by ARIS and Customer, shall remain in Customer at all
        times. ARIS agrees to disclose and assign to Customer, in a form
        satisfactory to Customer, all such Intellectual Property, whether made
        alone or in conjunction with others, and to render such assistance as
        Customer may reasonably require to perfect such assignments and to
        protect such Intellectual Property; and

        b. Intellectual Property of general applicability not described in
        paragraph 5a, whether or not related to, or incorporated into, the Work
        Product. Title to Intellectual Property described in this paragraph 5b,
        including any Intellectual Property developed by ARIS prior to or
        outside of this Agreement, shall remain in ARIS. To the extent such
        Intellectual Property is incorporated into the Work Product, ARIS grants
        and Customer hereby accepts, a perpetual, worldwide, royalty-free,
        non-exclusive license to use and sublicense all such Intellectual
        Property as incorporated into the ARIS work product.

ARIS warrants that it has the right to license the Intellectual Property of
general applicability described in paragraph 5b, and that the Work Product does
not infringe on the copyright, patent, trade secrets or other proprietary right
of any third party. ARIS shall at its own expense indemnify, defend and hold
harmless Customer, its officers, directors, shareholders, employees, agents,
representatives and affiliates against all liability, claims, costs, damages and
expenses (including reasonable attorneys' fees) arising out of or in connection
with a claim that Customer's use of the Work Product infringes the intellectual

                                      -2-
<PAGE>   3

property rights of a third party, provided that Customer notifies ARIS promptly
in writing of such action, Customer gives ARIS sole control of the defense
thereof (and any negotiations for settlement or compromise thereof), and
Customer cooperates in the defense thereof at ARTS' expense. ARIS shall pay
those damages or costs finally awarded against Customer in such action
attributable to such claim. If any Work Product becomes, or in ARIS' opinion is
likely to become, the subject of a claim of infringement, then ARIS shall be
obliged to, at ARIS' expense, either (i) procure the right to continue using
such Work Product, (ii) replace or modify such Work Product so that it becomes
non-infringing, or (iii) accept return of such Work Product and give Customer a
refund of all fees previously paid by Customer therefor.

6.      CONFIDENTIALITY OBLIGATIONS.

All information and material not in the public domain that may be disclosed by
one party to the other in the course of this Agreement is considered
confidential and proprietary (a) if either party has marked them as such, (b) if
either party, orally or in writing, has advised the other party their
confidential nature, or (c) if due to their character or nature, a reasonable
person in a like position and under like circumstances would treat them as
confidential. Such confidential and proprietary information shall not be used by
the receiving party other than for the purposes under this Agreement for which
it was disclosed. The receiving party will protect such information from
disclosure to third parties except as expressly permitted under this Agreement
and hold it as confidential using the same degree of care as that party uses to
protect its own confidential or proprietary material of like importance, but at
least reasonable care. This obligation will continue for a period of five (5)
years following receipt of the material and will survive any termination of this
Agreement, but it will not cover any information which is disclosed to a third
party by the disclosing party without restrictions on disclosure, any
information that has been or is developed independently by the receiving party
without violation of obligations of confidentiality, any information that falls
into the public domain without fault of the receiving party, any information
that is rightly obtained by the receiving party from a third party without
restriction, or any information that is rightly in the possession of the
receiving party at the time of disclosure by the disclosing party.
Notwithstanding the above, Customer shall be entitled to freely use and
implement the Deliverables produced by ARIS and delivered to Customer hereunder
in Customer's business, and for this purpose disclose the information contained
in the Deliverables to third parties engaged to implement such Deliverables in
Customer's business.

7.      STATUS OF ARIS AS INDEPENDENT CONTRACTOR.

ARIS shall devote such time and effort to the performance of the Services as may
be necessary to satisfactorily complete the work and meet the time schedule and
completion date(s) for the delivery of the Deliverables specified in the Work
Order. ARIS shall not subcontract any portion of the work to be performed
without the prior written consent of the Customer, which consent shall not be
unreasonably withheld. ARIS shall be an independent contractor in the
performance of this Agreement and shall not be deemed an employee or agent of
Customer for any purpose whatsoever.

Neither party shall have power to act as an agent of the other or bind the other
in any respect.

ARIS' performance of its obligations under this Agreement shall be in compliance
with all applicable statutes or regulations of any jurisdiction or governmental
agency.

                                      -3-
<PAGE>   4

8.      WORKPLACE; DAMAGE INDEMNIFICATION AND INSURANCE

If ARIS is requested by Customer to provide Services on Customer premises,
Customer agrees to provide ARIS personnel a safe workplace whose standards are
consistent with that of its own employees. Customer also agrees to provide
reasonable access to its key personnel necessary for ARIS to perform the
Services. ARIS personnel will observe all safety and other applicable rules in
effect at such workplace, provided that reasonable notice of the rules has been
supplied to ARIS and such personnel.

ARIS shall defend or settle, at its own expense, any claims brought against
Customer to the extent that such claims allege that the negligence or willful
misconduct of ARIS' employees ("Indemnified Acts"), while on Customer's
premises, caused injury or harm to any person or damage to tangible property.
ARIS shall pay any damage awards resulting from such claim to the extent that
such awards are based on Indemnified Acts and not on any acts of Customer. ARIS'
indemnification obligations set forth above are subject to Customer providing
ARIS with prompt notice of any such claim, tendering sole control of the defense
and settlement thereof to ARIS, and providing reasonable assistance to ARIS at
ARIS' expense with respect to the defense and settlement thereof.

ARIS shall purchase and maintain policies of insurance reflecting the following
minimum coverage:

<TABLE>
<S>                                                      <C>
           Commercial General Liability                  $5,000,000 per occurrence
           (Bodily Injury and Property Damage)

           Workers' Compensation                         statutory amount
</TABLE>

Insurance will be primary, and not secondary, with respect to any policies of
insurance carried by Customer, and will be maintained throughout the term of
this Agreement. ARIS shall provide Customer with 30 days notice of cancellation
or material change in coverage. Upon Customer's request, ARIS shall provide
evidence of insurance acceptable to Customer.

9.      NON-SOLICITATION.

Neither party shall solicit employment from any of the other party's employees
whose work relates to this Agreement, during the term of this Agreement and for
a period of six (6) months after termination of this Agreement, without the
prior written consent of the other party.

10.     WARRANTY; LIMITATION OF LIABILITY.

ARIS represents and warrants that its performance of the Services hereunder is
not in breach of any agreement or contract, whether written or oral, between
itself and any third party.

ARIS represents and warrants that the Services provided hereunder will be
performed in a professional, workmanlike and skillful manner consistent with the
professional standards and the general customs and practices of the industry.
ARIS further warrants that all the Deliverables delivered hereunder will conform
to the specifications and requirements set forth in the Work Order(s). Customer
must report any apparent deficiencies in the Services and accept or reject the
Deliverables within thirty (30) days of the later of the completion of the
Services or the date that such deficiencies were reasonably discoverable by
Customer within 180 days from the date of completion of such Services. Latent
defects which were not reasonably discoverable by Customer within the 180 day
period shall be reported by Customer to ARIS as soon as practicable after they
were discovered by Customer. ARIS shall correct the defects or

                                      -4-
<PAGE>   5

deficiencies within 15 days of Customer's report or such additional time as
agreed by the parties. If ARIS is unable to re-perform the Services as warranted
or correct the defects or deficiencies to the satisfaction of Customer within
such time frame, Customer shall be entitled to recover the greater of (a) the
fees paid to ARIS for the deficient Services, and (b) the Customer's costs of
engaging a third party to re-perform the Services or correct the deficiencies.

THE EXPRESS WARRANTIES CONTAINED IN THIS AGREEMENT ARE ARIS' EXCLUSIVE
WARRANTIES. ARIS DISCLAIMS ALL IMPLIED WARRANTIES, INCLUDING THE IMPLIED
WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. EXCEPT AS
EXPRESSLY PROVIDED HEREIN, ARIS WILL NOT BE LIABLE IN ANY EVENT FOR ANY
CONSEQUENTIAL, SPECIAL, INCIDENTAL, OR INDIRECT DAMAGES ARISING OUT OF OR IN
CONNECTION WITH THIS AGREEMENT. ARIS' MAXIMUM LIABILITY UNDER THIS AGREEMENT
SHALL BE LIMITED TO 1.5 TIMES THE AMOUNT PAID BY CUSTOMER UNDER THIS AGREEMENT;
PROVIDED THAT THIS LIMITATION OF LIABILITY SHALL NOT APPLY TO ARIS'
INDEMNIFICATION OBLIGATIONS UNDER SECTIONS 5 AND 8 OF THIS AGREEMENT.

11.     CONSULTANT TIME COMMITMENT

The start date and duration of assignment for each employee of ARIS
("Consultant") assigned to work on the project covered by the Services shall be
as agreed between the parties and as specified on the Work Order. ARIS may
remove a Consultant from the project only upon the prior written consent of
Customer, which shall not be unreasonably withheld. Customer shall have the
right to require ARIS to remove a Consultant from the project at any time.

12.     EXPENSE GUIDELINES

ARIS agrees to follow the guidelines set forth below when traveling to
Customer's location in San Jose, California.

        Lodging

                -       Obtain Customer corporate rates

                -       Current hotels for travel to Customer Corporate
                        Headquarters

                        -       Embassy Suites, San Jose

                        -       Red Lion Hotel, San Jose Airport (now a Double
                                Tree)

                        -       Sheraton San Jose

        Meals

                -       ARIS' employees will be reimbursed for the reasonable,
                        actual cost of meals, including taxes and tips, incurred
                        while traveling on company business.

                -       A traveler should always take advantage of meals
                        included in the price of a business seminar, conference,
                        etc. or in the cost of transportation.

                -       Each employee of ARIS shall keep all receipts for
                        reimbursable personal meals. All reimbursable meal
                        expenses must be documented by receipts if over $25 in
                        any one day. Individual meals over $25 not supported by
                        a receipt will NOT be reimbursed. If the hotel bill is
                        on the American Plan (all meals) or Modified American
                        Plan (2 meals - breakfast and dinner), a notation to
                        this effect should be indicated on the travel expense
                        report. Reimbursement for meals during trips that do not
                        include an

                                      -5-
<PAGE>   6

                        overnight stay should be substantiated by receipts
                        attached to a completed local Expense Report Form.

        Parking

                -       ARIS' employees are encouraged to use airport shuttles,
                        public transit, shared limousine service, or taxi cabs
                        when traveling to and from airports if the amount is
                        less than long-term parking fees and mileage using a
                        rental vehicle. Reimbursement will be made on an actual
                        basis, including reasonable tip. Receipts are required
                        for taxi cab rides over $25 and should be completed by
                        the driver.

                -       Airport parking in short-term, close-in lots is
                        authorized for trips of three days duration or less, or
                        for trips of up to seven days duration where the trips
                        of longer duration, where a personal auto must be parked
                        at the airport, use of long-term parking lots is
                        expected.

        Rental Cars

                -       In cities with convenient public transportation systems,
                        ARIS' employees should carefully consider the
                        convenience and cost savings from use of public transit
                        before selecting rental cars for surface transportation.

                -       Customer has a special arrangement with two rental car
                        agencies, Hertz and Budget, providing significant
                        discounts and benefits. If company business requires the
                        rental of an automobile, ARIS' employees should utilize
                        Hertz Rent-A-Car. If a Hertz Rent-A-Car is not
                        available, the employee should use Budget Rent-A-Car.

                -       ARIS' employees should rent the most economical car
                        consistent with the business purpose. When it is known
                        in advance that ARIS' employees are traveling to the
                        same location, the employees are expected to share
                        rental cars. In this case, a car size consistent with
                        the number of passengers is authorized.

                -       ARIS' employees are encouraged to refuel the tank before
                        returning the car to the rental agency to avoid costly
                        refueling charges. If time is critical when returning a
                        rental car, obtain a "rapid Return" statement of
                        charges.

                -       ARIS' employees are personally responsible for any
                        parking fines or traffic violations incurred while using
                        the rental car.

                -       Insurance is automatic when renting a car for business
                        rentals, from Hertz or Budget in the U.S., and when
                        renting a car from any agency in the UK, therefore,
                        ARIS' employees should not accept any car insurance in
                        all other countries for business rentals.

ARIS shall also follow the following additional guidelines:

        Air Travel

                -       Airline tickets should be reserved and purchased as
                        early as possible to obtain the best fare value.

                -       Air travel should be by the most direct route and least
                        expensive class of service at the time of booking.

Meals

                -       Daily meal costs will not exceed $15 for breakfast, $15
                        for lunch, and $35 for dinner, including tips - not to
                        exceed a total limit of $50 per day. Please note that
                        the individual meal costs do not add up to the total
                        daily limit.

                                      -6-
<PAGE>   7

13.     MISCELLANEOUS.

This Agreement is governed by the laws of the State of California, without
regard to its conflict of laws principles. Any legal action must be filed within
two (2) years after the injured party first knew of the facts giving rise to the
cause of such action. The parties agree that jurisdiction over and venue in any
legal proceeding arising out of or relating to this Agreement shall be the
federal or state courts located in California. The prevailing party to any
action shall be entitled to its reasonable costs and attorneys' fees from the
other party.

All notices and other communications between the parties shall be effective when
received in writing at the following addresses or such other address as may be
designated by a party giving written notice to the other party pursuant to this
provision:

        ARIS Corporation                       Aspect Telecommunications
        6720 Fort Dent Way, Suite 250          1730 Fox Drive
        Seattle, WA 98188-2555                 San Jose, CA 95131-2312
        Attn: General Counsel                  Attn: General Counsel
        Fax: (206)433-1182                     Fax: (408)325-4001

Neither Customer nor ARIS may assign its rights under this Agreement without the
prior written consent of either party. Any such attempted assignment shall be
null and void.

Neither party shall issue any press release or other public disclosure
concerning this Agreement without prior written consent of the other party,
which shall not be unreasonably withheld. However, either party may disclose the
existence of this Agreement or its contents as may be required to comply with
applicable laws or regulations. ARIS may use Customer's name in its listings of
customer names.

This Agreement, together with the Work Order(s), constitutes the entire
agreement of the parties, supersedes any prior understandings relating to the
subject matter hereof, and may be amended or supplemented only in a written
agreement signed by the respective authorized representatives of ARIS and
Customer. All preprinted clauses on any order form by Customer are deemed
deleted.

This Agreement may be executed in two or more counterparts, each of which shall
be deemed an original and all of which together shall constitute one and the
same instrument.

CUSTOMER                                     ARIS CORPORATION

Signature /s/ KATHY CRUZ                     Signature /s/ DIANA ROOT
         -------------------------                    -------------------------
Name KATHY CRUZ                                       Diana Root, RCM
    ------------------------------
Title Vice President & CIO
     -----------------------------
Date  28 January 1998                         Date  2/11/98
      ----------------------------                  ---------------------------

                                      -7-
<PAGE>   8

                                   WORK ORDER

ARIS CONTRACT NO.:__________________
WORK ORDER NO.:_____________________

     This Work Order is executed this 5(th) day of January, 1998, subject to the
terms and conditions of that certain Professional Services Agreement, dated
January 5, 1998 (the "Agreement"), by and between ARIS Corporation ("ARIS"), a
Washington corporation and Aspect Telecommunications, Inc., a California
corporation ("Customer").

DESCRIPTION OF SERVICES:

*

<TABLE>
<CAPTION>
WORK LOCATION:             BILLING CONTACT:
--------------             ----------------
<S>                        <C>
      *                           *
</TABLE>

<TABLE>
<CAPTION>
CONSULTANT         RATE PER HOUR         HOURS           ORDERED
----------         -------------         -----           -------
<S>                <C>                   <C>             <C>
    *                    *                 *                *
    *                    *                 *             (Fixed by Phases,
    *                    *                 *              See Below)
    *                    *                 *
</TABLE>

<TABLE>
<CAPTION>
CUSTOMER PROJECT MANAGER      ARIS PROJECT MANAGER
------------------------      --------------------
<S>                           <C>
                                       *
          *                            *
          *                            *
                                       *
</TABLE>

TRAVEL ARRANGEMENTS:
--------------------

See Expense Guideline set forth in Section 12 of the Agreement.

PER DIEM/OTHER EXPENSE ARRANGEMENTS:
------------------------------------

See Expense Guideline set forth in Section 12 of the Agreement.

PAYMENTS AND FEES: TIME AND MANNER OF PAYMENTS:
-----------------------------------------------

The project planning phase is broken into four time periods for billing
purposes. The tasks and deliverables that must be completed to ensure payment
for each time period are listed in the following

* Portions of this agreement have been omitted pursuant to a request for
  confidential treatment pursuant to SEC Rule 24b-2, to be filed separately with
  the SEC no later than April 10, 2001.

                                      -8-
<PAGE>   9

section. The work products and deliverables must conform to the specifications
and requirements set out in this Work Order.

ARIS will invoice Aspect based on the following schedule. If ARIS completes the
work under the estimated hours for all four time periods, ARTS will credit
Aspect with amounts over the actual time spent on the project. If actual hours
exceed the estimated figures, Aspect will not be billed extra amounts. NOTE:
This agreement is based on the scope and assumptions defined in this document.
Should the scope and assumptions change, ARIS and Aspect will negotiate a
revised fee to reflect modifications in cost.

<TABLE>
<CAPTION>
<S>                                <C>
1. Billing Period: Weeks * and *

     Invoice Amount:               * of Total and Actual Expenses
           Services:               *
           Expenses:               * (actuals only, not to exceed this amount)
              Total:               *

2. Billing Date: Weeks * and *

     Invoice Amount:               * of Total and Actual Expenses
           Services:               *
           Expenses:               * (actuals only, not to exceed this amount)
              Total:               *

3. Billing Date: Week * and *

     Invoice Amount:               * of Total and Actual Expenses
           Services:               *
           Expenses:               * (actuals only, not to exceed this amount)
              Total:               *

4. Billing Date: Week * and *

     Invoice Amount:               * of Total and Actual Expenses
           Services:               *
           Expenses:               * (actuals only, not to exceed this amount)
              Total:               *
</TABLE>
TIME, SCHEDULE, AND COMPLETION DATE(S):

<TABLE>
<CAPTION>
TIME PERIOD                  TASK                                                                DELIVERABLE
-------------------------------------------------------------------------------------------------------------------------
<S>                         <C>                                                                 <C>
WEEKS 1 AND 2                Review scope, objectives, assumptions, plan, resources,             2 Status Meetings
                             for planning phase

                             Collect and review project related documentation                    2 Written Status Reports

                             Review functionality used in current version of software
                               (25% complete)

                             Compare current functionality to functionality in new
                               version of software (25% complete)
</TABLE>
--------------------
* Portions of this agreement have been omitted pursuant to a request for
  confidential treatment pursuant to SEC Rule 24b-2, to be filed separately with
  the SEC no later than April 10, 2001.

                                      -9-
<PAGE>   10

<TABLE>
<CAPTION>
TIME PERIOD                  TASK                                                                DELIVERABLE
-------------------------------------------------------------------------------------------------------------------------
<S>                         <C>                                                                 <C>
WEEKS 3 AND 4                Review functionality used in current version of 2 Status
                               Meetings software (75% complete)

                             Compare current functionality to functionality in new               2 Written Status Reports
                             version of software (75% complete)

                             Review customizations (50% complete)

                             Review interfaces (50% complete)

                             Review system architecture (hardware, operating
                             system, database, clients)

WEEKS 5 AND 6                Review functionality used in current version of                     2 Status Meetings
                               software (100% complete)

                             Compare current functionality to functionality in
                             new 2 Written Status Reports version of software
                             (100% complete)

                             Review customizations (100% complete)                               Documented Decision
                                                                                                   regarding Multi Org

                             Review interfaces (100% complete)                                   Documented Decision
                                                                                                   regarding Customizations

                             Prepare Draft of detailed project plan                              Documented Decision
                                                                                                   regarding Interfaces

WEEKS 7 AND 8                Define project team organization & reporting structure              2 Status Meetings
                             for upgrade

                             Define roles and responsibilities for upgrade                       2 Written Status
                             Reports

                             Estimate team member roll-on and roll-off dates for                 Final Project Plan
                              upgrade

                             Define project phases & roll-out of upgrade                         Final Report (written and
                                                                                                 presented)

                             Define assumptions, critical issues and risks of
                              upgrade

                             Determine project issue resolution and communication
                               strategy for upgrade

                             Obtain clarification on change management procedures

                             Ensure understanding of the quality review process

                             Define project standards and procedures for tools

                             Define TAR, management procedures for apps

                             Prepare detail project plan (tasks, timeline,
                              resources, milestone definition) for upgrade

                             Prepare and present final planning report for client
-------------------------------------------------------------------------------------------------------------------------
</TABLE>

                                      -10-
<PAGE>   11

SPECIFICATIONS AND REQUIREMENTS OF DELIVERABLES AND WORK PRODUCTS

Sections to be included in Final Report

        Executive Summary
        Objective and scope
        Critical Success Factors
        Project team organization chart
        Project approach
        Critical project issues and assumptions
        Risks
        Schedule
        Resource statement (roll-on/off dates)
        Communication strategy (status reporting, issue resolution, etc.)
        Project plan

KEY WORK DEPENDENCIES AND ASSUMPTIONS:

ARIS' ability to meet project expectations are dependent upon various events,
accomplishments and assumptions, including the following:

-       Preliminary tasks complete

                -       Development environment available

                -       Upgrade software and documentation onsite

                -       All patch tapes ordered and received

                -       Work area available for consultants

                -       Determine Users and IT Analysts that will be assigned to
                        the following functional areas: GL, FA, AP, PO, AR, OE,
                        INV, MRP, Planning, ENG, Bills, WIP, Alerts, Revenue
                        Recognition, Multi Org

                -       Interviewing schedule defined and communicated

                -       Determine IT Resources responsible for the following
                        items: Database and Software Installation, Hardware,
                        Import and Export Interfaces, Customizations

                -       Gather documentation for the following items: User
                        Manuals, Technical Manuals, Process Diagrams,
                        Customizations (specifically Revenue Recognition),
                        Imports & Exports, Architecture Diagrams

        -       Oracle Application Modules in scope: AP, AR, BOM, ENG, FA, GL,
                INV, MRP, OE, PLAN, PO, W1P, Alerts

        -       Current version: 10.5 Character; Target Version: 10.7 Character

        -       Aspect may consider moving to the Web Application in the future

        -       Display Manager is used

        -       Platform is HP; Database is version 7.1.6.2

        -       There are 80 - 100 Concurrent Users; 1300 employees

        -       Currently 14 sets of books (see RFP page 8)

        -       There are several customizations, the greatest being the Revenue
                Recognition functionality (see RFP page 8)

                                      -11-
<PAGE>   12

        -       ALL CUSTOMIZATIONS ARE "Bolt-Ons" and not modifications to the
                base code

        -       There are four import interfaces and three export interfaces
                (see RFP page 8)

        -       No additional modules will be added during the upgrade

        -       Alerts is only being used minimally

        -       Scope of planning phase includes a review of architecture,
                customizations, and new functionality in 10.7 (including
                multi-orgy, as noted in the RFP, Page 4

        -       Scope also includes a review of the system interfaces

CUSTOMER                                     ARIS CORPORATION

Signature /s/ KATHY CRUZ                     Signature /s/ DIANA ROOT
         -------------------------                    -------------------------
Name KATHY CRUZ                                       Diana Root, RCM
    ------------------------------
Title Vice President & CIO
     -----------------------------
Date  28 January 1998                         Date  2/11/98
      ----------------------------                  ---------------------------

                                      -12-

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