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                                                                   EXHIBIT 10.18


                              EMPLOYMENT AGREEMENT
                              --------------------


          THIS EMPLOYMENT AGREEMENT (this "Agreement"), is made and entered into
on this 1st day of November, 1998, by and between J. Lawrence Bradner, an
individual resident of the State of Georgia (the "Employee"), and SYNTELLECT
INC., a Delaware corporation (the "Company");

                              W I T N E S S E T H:
                              --------------------

          WHEREAS, the Company desires to continue to employ the Employee, and
the Employee desires to continue to be employed by the Company on the terms and
conditions contained herein;

          NOW, THEREFORE, in consideration of the mutual promises and agreements
contained herein and other good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, the parties hereto, intending to
be legally bound, hereby agree as follows:

     Section 1.     Employment
                    ----------

          The Employee shall continue to serve as Chief Executive Officer of the
Company and shall devote his full business time, skills and best efforts to
rendering services on behalf of the Company.  In addition, the Employee shall
use his best efforts in the performance of any other reasonable duties relating
to the operation of the business of the Company as may be assigned to him from
time to time by the Board of Directors of the Company.  In the performance of
such duties, the Employee shall exercise such care as is customarily required by
employees undertaking similar duties for companies similar to the Company.

     Section 2.     Compensation; Expenses
                    ----------------------

          2.1  Salary.  During the term of his employment hereunder, the
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Employee shall be paid a Base Salary by the Company for the period commencing
(i) on the date hereof and ending December 31, 1998 ("Year One") in an amount on
an annual basis equal to $252,000, and (ii) on January 1, 1999 and ending
December 31, 1999 ("Year Two") and on January 1, 2000 and ending December 31,
2000 ("Year Three") in an amount to be approved by  the Board of Directors, but
in any case not to be an amount less than the Base Salary in Year One (in any
such case, the "Base Salary").  The Base Salary shall be paid to the Employee in
equal monthly installments (or more frequently if in accordance with the
Company's payment policies of general application), less all applicable
withholding taxes.
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          2.2  Bonus.
               ----- 

          (a) Amount of Bonus.  In addition to the Base Salary payable to the
              ---------------                                                
Employee in each of Years One, Two, and Three, the Employee shall be entitled to
receive a bonus for each such year as the Board of Directors shall determine in
its sole and absolute discretion.

          (b) Payment of Bonus.  The Employee's Bonus, if any, for any of Years
              ----------------                                                 
One, Two or Three shall be payable by the Company to the Employee within 30 days
after the end of such year, but subject to adjustment after completion of the
Company's annual audit for that year.

          2.3  Stock Options.  The Company hereby acknowledges the assumption of
               -------------                                                    
grants to the Employee of stock options from his former employer.  Specifically,
the Company hereby acknowledges that Employee holds options to purchase up to
282,852 shares of Common Stock of the Company (the "Option") at a purchase price
of $.87 per share.  The Option shall be exercisable at any time, in whole or in
part, and the Option shall terminate on August 24, 2005. Employee's rights under
the Option are fully vested, and the termination of the Employee's employment
hereunder or the termination of this Agreement shall have no effect on the term
of the Option, except as provided therein.

          2.4  Expenses.  The Employee shall be reimbursed for all reasonable
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expenses incurred by the Employee at the request and on behalf of the Company.

     Section 3.     Term; Termination of Agreement.  The employment of the
                    ------------------------------                        
Employee hereunder shall commence as of the date hereof and shall continue until
the earlier of (i) December 31, 2000, or (ii) the occurrence of any of the
following events:

               (a) the death or total disability of the Employee (total
     disability meaning the failure of the Employee to perform his normal
     required services hereunder for a period of six consecutive months during
     the term hereof by reason of the Employee's mental or physical disability)
     (a "Disability Termination Event");

               (b) termination by the Company of the Employee's employment
          hereunder, upon 10 days prior written notice to the Employee, for
          "Good Cause," which shall exist upon the occurrence of any of the
          following: (i) the Employee is convicted of, pleads guilty to, or
          confesses to any felony or any act of fraud, misappropriation or
          embezzlement, (ii) the Employee has engaged in a fraudulent act to the
          material damage or prejudice of the Company or any affiliate of the
          Company, (iii) the Employee illegally used controlled substances, (iv)
          any material act or omission by the Employee involving malfeasance or
          negligence in the performance of the Employee's duties to the Company
          to the material detriment of the Company and, within thirty (30) days
          after written notice from the Company of any such act or omission, the
          Employee has not corrected such 

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          act or omission, (v) the entry of an order of a court that remains in
          effect and is not discharged for a period of at least sixty (60) days,
          which enjoins or otherwise limits or restricts the performance by the
          Employee in any material way of any of his duties to the Company under
          this Agreement, that relates to any contract, agreement or commitment
          made by or applicable to the Employee in favor of any former employer
          or any other person, or (vi) the Employee otherwise fails to comply
          with the terms of this Agreement or deviates from any written policies
          or directives of the Board of Directors, in either such case to the
          material detriment of the Company, and, within thirty (30) days after
          written notice from the Company of such failure or deviation, the
          Employee has not corrected such failure (in any such case, a "Good
          Cause Termination Event");

               (c) termination by the Company of the Employee's employment
          hereunder, upon ten (10) days prior written notice to the Employee,
          for any reason other than as a result of a Good Cause Termination
          Event or Disability Termination Event (a "No Cause Termination
          Event"); or

               (d) voluntary termination by the Employee of the Employee's
          employment hereunder (a "Voluntary Termination Event").

     Section 4.     Result of Termination.
                    --------------------- 

          4.1      Termination As Result Of Voluntary Or Good Cause Termination
                   ------------------------------------------------------------
Events. If the Employee's employment hereunder is terminated prior to December
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31, 2000 as a result of the occurrence of a Voluntary Termination Event or a
Good Cause Termination Event, as of the date of the termination of the
Employee's employment, the Company shall have no further obligation to pay to
the Employee any Base Salary, Bonus or any other additional benefits pursuant to
Section 5 of this Agreement except to the extent the Company is required to
provide fringe benefits following termination of employment to former employees
of the Company generally under the terms of a specific fringe benefit plan or
policy.  If such termination occurs prior to the end of any pay period, the
Employee shall be entitled to receive a portion of the Base Salary for such pay
period pro rated to the date on which the Employee's employment is terminated.

          4.2  Disability Termination Event.  If the Employee's employment
               ----------------------------                               
hereunder is terminated prior to December 31, 2000 as a result of the occurrence
of a Disability Termination Event, as of the date of the termination of the
Employee's employment hereunder, the Company shall have no further obligation to
pay the Employee any Base Salary or any other additional benefits pursuant to
Section 5 of this Agreement other than medical insurance except to the extent
the Company is required to provide fringe benefits following termination of
employment to former employees of the Company generally under the terms of a
specific fringe benefit plan or policy.  The Company shall provide medical
insurance substantially similar to the medical insurance provided to the
Employee prior to the termination of his employment for the thirty-six

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consecutive months immediately following such termination.  The Employee shall
be entitled to receive a portion of the Bonus for the year pro rated to the date
on which the Employee's employment is terminated.  If such termination occurs
prior to the end of any pay period, the Employee shall be entitled to receive a
portion of the Base Salary for such pay period pro rated to the date on which
the Employee's employment is terminated.  Notwithstanding the foregoing, the
Employee shall be entitled to whatever benefits are available pursuant to the
disability insurance contemplated by Section 5.2 hereof.

          4.3  Termination As Result Of No Cause Termination Event.  If the
               ---------------------------------------------------         
Employee's employment hereunder is terminated prior to December 31, 2000 as a
result of the occurrence of a No Cause Termination Event, the Company shall pay
to the Employee as severance pay and in lieu of any other payments under this
Agreement other than as contemplated by Sections 2.3 and 2.4 hereof, (i) in
twelve equal monthly installments commencing 10 days after such termination, an
amount equal to the aggregate Base Salary then in effect that would have been
payable to the Employee pursuant to this Agreement if the Employee had remained
employed by the Company for the twelve consecutive months immediately following
the termination of his employment and (ii) in a lump sum payment, an amount
equal to the Bonus for the year (when finally determined) pro rated to the date
on which the Employee's employment is terminated.  If such termination occurs
prior to the end of any pay period, the Employee also shall be entitled to
receive a portion of the Base Salary for such pay period pro rated to the date
on which the Employee's employment is terminated.  As of the date of the
termination of the Employee's employment, the Company shall have no further
obligation to pay any of the additional employment benefits pursuant to Section
5 of this Agreement except to the extent the Company is required to provide
fringe benefits following termination of employment to former employees of the
Company generally under the terms of a specific fringe benefit plan or policy.
The Company shall provide medical insurance substantially similar to the medical
insurance provided to the Employee prior to the termination of his employment
for the twelve consecutive months immediately following such termination.
 
     Section 5.     Additional Employment Benefits
                    ------------------------------

          The Company shall provide the Employee with the following fringe
benefits:

          5.1  Fringe Benefits.  The Company shall provide the Employee with
               ---------------                                              
medical, dental, life insurance, disability, retirement and other fringe
benefits as the Board of Directors of the Company shall authorize from time to
time for the benefit of employees of the Company generally.

          5.2  Disability Insurance.  The Company shall provide the Employee
               --------------------                                         
with disability insurance in the amount equal to sixty (60) percent on an
annualized basis of Base Salary at no cost to the Employee.

          5.3  Automobile.  The Company shall pay to the Employee a monthly
               ----------                                                  
allowance to reimburse (i) the cost of leasing an automobile for use by the
Employee, and (ii) the operating 

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expenses including the costs of gasoline and in the course of the Company's
business. The monthly allowance for leasing an automobile shall be $800 and the
operating expense allowed shall be $45 a month.

          5.4  Vacation.  The Employee shall be entitled to receive vacation in
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accordance with the vacation policies of the Company.

     Section 6.     Confidential Information, Trade Secrets and Noncompetition
                    ----------------------------------------------------------
Covenant
--------

          6.1  Confidential Information.  The Employee hereby agrees that,
               ------------------------                                   
except as otherwise required in the course of his performance of any duties he
may have as an employee of the Company, during the period commencing on the date
hereof and ending on the second anniversary of the date on which the Employee's
employment is terminated:

               (a)  Neither the Employee nor any company or organization in
          which the Employee has a direct or indirect financial interest will
          directly or indirectly own, manage, operate, join, control or
          participate in the ownership, management, operation or control of or
          be connected in any manner with, any business conducted under any
          corporate or trade name of the Company or name similar thereto without
          the prior written consent of the Company; and

               (b)  The Employee shall hold in confidence and not directly or
          indirectly disclose to anyone or use or otherwise appropriate for the
          Employee's own benefit (i) any pricing information, marketing
          information or sales technique of the Company, or any subsidiary of
          the Company, or (ii) any other of the following confidential
          information or documents of or relating to the Company or any
          subsidiary of the Company:  confidential records, computer software
          programs, client and customer lists, terms of license or franchise
          agreements, terms of contracts with clients and customers, and
          planning and financial information of the Company or any subsidiary of
          the Company (collectively, the "Confidential Data").  Notwithstanding
          the foregoing, Confidential Data shall not include any information of
          the type specified above to the extent that such materials or
          information have become generally available to the public by the act
          of one who has the right to disclose such information without
          violating any right of the Company to which such information pertains.
          The Employee hereby acknowledges and agrees that the prohibitions
          against disclosure of Confidential Data recited herein are in addition
          to, and not in lieu of, any rights or remedies that the Company or any
          subsidiary of the Company may have pursuant to the laws of any
          jurisdiction or at common law to prevent the disclosure of trade
          secrets, and the enforcement by any such corporation of its rights and
          remedies pursuant to this Agreement shall not be construed as a waiver
          of any other rights or available remedies that it may possess in law
          or equity in the absence of this Agreement.

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          6.2  Use of Confidential Information.  The Employee represents and
               -------------------------------                              
warrants to the Company that he has not knowingly or wrongfully utilized any
trade secrets or confidential information proprietary to any former employer or
other party, including, but not limited to, confidential business information of
such former employer or other party.  The Employee covenants that during the
term of this Agreement he will not induce the Company to use any confidential
information that belongs to a former employer or other party.

          6.3  Noncompetition
               --------------

          (a) Coverage.  The Company is engaged in the business of developing,
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marketing and selling (i) computer hardware, software, support services, pay-
per-view ordering services and outsourced telephony, internet and faxed-based
transactions and services for the purpose of automating certain customer service
functions, and (ii) computerized outbound telephone dialing hardware, software
and support services (these businesses, and any other businesses in which the
Company competes during the term hereof are hereafter referred to as the
"Company Business") in the United States and throughout the world addressing a
variety of vertical markets, including the financial institutions, education,
cable television, health care, newspaper, utilities and telecommunications
industries.  The Employee acknowledges that the goodwill of the Company and the
business activities of the Company extend throughout the areas in which it
conducts business.

          (b) Covenants.  In consideration of the Company's continued employment
              ---------                                                         
of the Employee pursuant to the terms of this Agreement, the Employee hereby
agrees that the Employee will not, during the period commencing on the date
hereof and ending on the first anniversary of the date on which the Employee's
employment is terminated, provided that if the Employee's employment is
terminated as a result of the occurrence of a No Cause Termination Event, such
period shall end on the first anniversary of the date on which the Employee
receives his last severance payment pursuant to Section 4.3 hereof (in either
case, the "Noncompete Period") (other than as an employee of or a consultant to
the Company), directly or indirectly:

               (i) engage in, for the purpose of competing with the Company
     Business in any state(s) in which the Employee anticipated working for the
     Company when he entered into this Agreement and worked for the Company at
     any time during the twelve (12) months prior to the termination of
     Employee's employment (the "Pre-Termination Period"), any activities or
     services identical or similar to any of the Employee's principal
     responsibilities with the Company at any time during the Pre-Termination
     Period;

               (ii) call on or solicit, or attempt to call on or solicit, for
     the purpose of competing with the Company Business, any client or customer,
     or actively sought prospective client or customer, of the Company with whom
     or which the Employee had material contact at any time during the Pre-
     Termination Period; and/or

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<PAGE>
 
               (iii)     solicit or attempt to solicit, for the purpose of
     enticing or encouraging the employee to leave the Company, any employee of
     the Company with whom the Employee had material contact at any time during
     the Pre-Termination Period.

The Employee agrees that the restrictions contained herein are reasonable and
designed to protect only the legitimate business interests of the Company.
Employee further agrees that during the course of his employment, he will
receive training from the Company and be exposed to its proprietary information
so that the Employee would be uniquely qualified to compete against the Company.
Accordingly, the Employee acknowledges that he could cause irreparable injury to
the Company by violating these covenants.

          6.4  Severability.  If a judicial determination is made that any of
               ------------                                                  
the provisions of this Section 6 constitutes an unreasonable or otherwise
unenforceable restriction against the Employee, the provisions of this Section 6
shall be rendered void only to the extent that such judicial determination finds
such provisions to be unreasonable or otherwise unenforceable.  In this regard,
the Company and the Employee hereby agree that any judicial authority construing
this Agreement shall be empowered to sever or modify any portion of any
geographic restriction, any prohibited business activity or any time period from
the coverage of this Section 6 and to apply the provisions of this Section 6 to
the remaining portion of the geographic restriction, the remaining business
activities or the remaining time period not so severed or modified by such
judicial authority.

          6.5  Equitable Relief.  The Employee acknowledges that the services to
               ----------------                                                 
be rendered by the Employee hereunder are of a special character, the loss of
which cannot be compensated adequately in damages in an action at law.  By
reason thereof, the Employee agrees that the Company shall be entitled, in
addition to any other remedies it may have under this Agreement or otherwise, to
injunctive and other equitable relief to prevent or curtail any breach of this
Agreement by the Employee.

     Section 7.     Miscellaneous
                    -------------

          7.1  Binding Effect.  This Agreement shall inure to the benefit of and
               --------------                                                   
shall be binding upon the Employee and his executor, administrator, heirs,
personal representative and assigns, and the Company and its successors and
assigns; provided, however, that the Employee shall not be entitled to assign or
delegate any of his rights or obligations hereunder without the prior written
consent of the Company.

          7.2  Governing Law.  This Agreement shall be deemed to be made in, and
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in all respects shall be interpreted, construed and governed by and in
accordance with, the laws of the State of Georgia.  No provision of this
Agreement or any related document shall be construed against or interpreted to
the disadvantage of any party hereto by any court or other governmental or
judicial authority by reason of such party having or being deemed to have
structured or drafted such provision.

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<PAGE>
 
          7.3  Headings.  The section and paragraph headings contained in this
               --------                                                       
Agreement are for reference purposes only and shall not affect in any way the
meaning or interpretation of this Agreement.

          7.4  Notices.  Unless otherwise agreed to in writing by the parties
               -------                                                       
hereto, all communications provided for hereunder shall be in writing and shall
be deemed to be given when delivered in person or five (5) business days after
being sent by first class mail and addressed as follows:

          (a)  If to the Employee:

               J. Lawrence Bradner
               210 Hepplewhite Drive
               Alpharetta, Georgia 30202

          (b)  If to the Company, addressed to:

               Syntellect Inc.
               1000 Holcomb Woods Parkway
               Suite 410A
               Roswell, Georgia 30076
               Attention: Board of Directors

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

          7.6  Entire Agreement.  This Agreement is intended by the parties
               ----------------                                            
hereto to be the final expression of their agreement with respect to the subject
matter hereof and is the complete and exclusive statement of the terms thereof,
notwithstanding any representations, statements or agreements to the contrary
heretofore made.  This Agreement may be modified only by a written instrument
signed by each of the parties hereto.

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<PAGE>
 
     IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of
the date first above written.


                              SYNTELLECT INC.


                              By:/s/ Jack Kelly, Jr.
                                 --------------------------------------------

                                    Name: Jack Kelly, Jr.
                                         ------------------------------------
 
                                    Title: Chairman of Compensation Committee
                                          -----------------------------------
 

                              EMPLOYEE

                              /s/ J. Lawrence Bradner
                              -----------------------------------------
                              J. Lawrence Bradner

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