Exhibit 10.88 ADDENDUM NUMBER ONE TO LETTER AGREEMENT This is Addendum Number One (the "Addendum") dated January 3, 2002 to that certain Letter Agreement, dated July 31, 2001 (the "Agreement"), by and between Joseph G. Johnson ("Employee") and Aspect Communications Corporation ("Company"). In consideration of the mutual covenants set forth herein and in the Agreement, Employee and Company hereby agree as follows: Priority. The parties agree that the Agreement is hereby amended as set -------- forth in this Addendum Number One. Any inconsistency between this Addendum and the Agreement shall be resolved in favor of the intent of the parties as expressed by this Addendum. Terms used herein with the initial letter capitalized which are not otherwise defined herein, shall have the meaning given said terms in the Agreement. The Agreement as amended by this Addendum Number One shall remain in full force and effect. Section 1 is amended as follows: The words "February 28, 2002" are hereby deleted and replaced by the words "February 28, 2003". IN WITNESS WHEREOF, the parties have executed this Addendum as of the date first written above. Employee Aspect Communications Corporation Signature: /s/ Joseph Johnson By: /s/ Beatriz Infante ----------------------------- --------------------------------- Name: Joseph G. (Sandi) Johnson Name: Beatriz Infante ---------------------------------- ------------------------------ Title: Chairman of the Board (COB), ------------------------------ Chief Executive Officer (CEO) ----------------------------- and President ------------------------------ ADDENDUM NUMBER ONE TO LETTER AGREEMENT This is Addendum Number One (the "Addendum") dated January 3, 2002 to that certain Letter Agreement, dated February 16, 2000 (the "Agreement"), by and between James T. Hirni ("Employee") and Aspect Communications Corporation ("Company"). In consideration of the mutual covenants set forth herein and in the Agreement, Employee and Company hereby agree as follows: Priority. The parties agree that the Agreement is hereby amended as set -------- forth in this Addendum Number One. Any inconsistency between this Addendum and the Agreement shall be resolved in favor of the intent of the parties as expressed by this Addendum. Terms used herein with the initial letter capitalized which are not otherwise defined herein, shall have the meaning given said terms in the Agreement. The Agreement as amended by this Addendum Number One shall remain in full force and effect. Section 1 is amended as follows: The words "February 28, 2002" are hereby deleted and replaced by the words "February 28, 2003". IN WITNESS WHEREOF, the parties have executed this Addendum as of the date first written above. Employee Aspect Communications Corporation Signature: /s/ James T. Hirni By: /s/ Beatriz Infante ----------------------------- --------------------------------- Name: James T. Hirni Name: Beatriz Infante ---------------------------------- ------------------------------ Title: Chairman of the Board (COB), ------------------------------ Chief Executive Officer (CEO) ----------------------------- and President ------------------------------ Via Inter-office Mail - --------------------- ADDENDUM NUMBER ONE TO LETTER AGREEMENT This is Addendum Number One (the "Addendum") dated January 3, 2002 to that certain Letter Agreement, dated July 31, 2001 (the "Agreement"), by and between Betsy Rafael ("Employee") and Aspect Communications Corporation ("Company"). In consideration of the mutual covenants set forth herein and in the Agreement, Employee and Company hereby agree as follows: Priority. The parties agree that the Agreement is hereby amended as set -------- forth in this Addendum Number One. Any inconsistency between this Addendum and the Agreement shall be resolved in favor of the intent of the parties as expressed by this Addendum. Terms used herein with the initial letter capitalized which are not otherwise defined herein, shall have the meaning given said terms in the Agreement. The Agreement as amended by this Addendum Number One shall remain in full force and effect. Section 1 is amended as follows: The words "February 28, 2002" are hereby deleted and replaced by the words "February 28, 2003". IN WITNESS WHEREOF, the parties have executed this Addendum as of the date first written above. Employee Aspect Communications Corporation Signature: /s/ Betsy Rafael By: /s/ Beatriz Infante ----------------------------- --------------------------------- Name: Betsy Rafael Name: Beatriz Infante ---------------------------------- ------------------------------ Title: Chairman of the Board (COB), ------------------------------ Chief Executive Officer (CEO) ----------------------------- and President ------------------------------ ADDENDUM NUMBER ONE TO LETTER AGREEMENT This is Addendum Number One (the "Addendum") dated January 3, 2002 to that certain Letter Agreement, dated April 3, 2001 (the "Agreement"), by and between David Puglia ("Employee") and Aspect Communications Corporation ("Company"). In consideration of the mutual covenants set forth herein and in the Agreement, Employee and Company hereby agree as follows: Priority. The parties agree that the Agreement is hereby amended as set -------- forth in this Addendum Number One. Any inconsistency between this Addendum and the Agreement shall be resolved in favor of the intent of the parties as expressed by this Addendum. Terms used herein with the initial letter capitalized which are not otherwise defined herein, shall have the meaning given said terms in the Agreement. The Agreement as amended by this Addendum Number One shall remain in full force and effect. Section 1 is amended as follows: The words "February 28, 2002" are hereby deleted and replaced by the words "February 28, 2003". IN WITNESS WHEREOF, the parties have executed this Addendum as of the date first written above. Employee Aspect Communications Corporation Signature: /s/ David B. Puglia By: /s/ Beatriz Infante ----------------------------- --------------------------------- Name: David B. Puglia Name: Beatriz Infante ---------------------------------- ------------------------------ Title: Chairman of the Board (COB), ------------------------------ Chief Executive Officer (CEO) ----------------------------- and President ------------------------------ ADDENDUM NUMBER ONE TO LETTER AGREEMENT This is Addendum Number One (the "Addendum") dated January 3, 2002 to that certain Letter Agreement, dated July 31, 2001 (the "Agreement"), by and between Sussie Hereford ("Employee") and Aspect Communications Corporation ("Company"). In consideration of the mutual covenants set forth herein and in the Agreement, Employee and Company hereby agree as follows: Priority. The parties agree that the Agreement is hereby amended as set -------- forth in this Addendum Number One. Any inconsistency between this Addendum and the Agreement shall be resolved in favor of the intent of the parties as expressed by this Addendum. Terms used herein with the initial letter capitalized which are not otherwise defined herein, shall have the meaning given said terms in the Agreement. The Agreement as amended by this Addendum Number One shall remain in full force and effect. Section 1 is amended as follows: The words "February 28, 2002" are hereby deleted and replaced by the words "February 28, 2003". IN WITNESS WHEREOF, the parties have executed this Addendum as of the date first written above. Employee Aspect Communications Corporation Signature: /s/ S. Hereford By: /s/ Beatriz Infante ----------------------------- --------------------------------- Name: Susanne Hereford Name: Beatriz Infante ---------------------------------- ------------------------------ Title: Chairman of the Board (COB), ------------------------------ Chief Executive Officer (CEO) ----------------------------- and President ------------------------------ Via Inter-office Mail - --------------------- ADDENDUM NUMBER ONE TO LETTER AGREEMENT This is Addendum Number One (the "Addendum") dated January 3, 2002 to that certain Letter Agreement, dated April 3, 2001 (the "Agreement"), by and between John Viera ("Employee") and Aspect Communications Corporation ("Company"). In consideration of the mutual covenants set forth herein and in the Agreement, Employee and Company hereby agree as follows: Priority. The parties agree that the Agreement is hereby amended as set -------- forth in this Addendum Number One. Any inconsistency between this Addendum and the Agreement shall be resolved in favor of the intent of the parties as expressed by this Addendum. Terms used herein with the initial letter capitalized which are not otherwise defined herein, shall have the meaning given said terms in the Agreement. The Agreement as amended by this Addendum Number One shall remain in full force and effect. Section 1 is amended as follows: The words "February 28, 2002" are hereby deleted and replaced by the words "February 28, 2003". IN WITNESS WHEREOF, the parties have executed this Addendum as of the date first written above. Employee Aspect Communications Corporation Signature: /s/ John Viera By: /s/ Beatriz Infante ----------------------------- --------------------------------- Name: John Viera Name: Beatriz Infante ---------------------------------- ------------------------------ Title: Chairman of the Board (COB), ------------------------------ Chief Executive Officer (CEO) ----------------------------- and President ------------------------------ ADDENDUM NUMBER ONE TO LETTER AGREEMENT This is Addendum Number One (the "Addendum") dated January 3, 2002 to that certain Letter Agreement, dated May 25, 2000 (the "Agreement"), by and between Kathy Trya ("Employee") and Aspect Communications Corporation ("Company"). In consideration of the mutual covenants set forth herein and in the Agreement, Employee and Company hereby agree as follows: Priority. The parties agree that the Agreement is hereby amended as set -------- forth in this Addendum Number One. Any inconsistency between this Addendum and the Agreement shall be resolved in favor of the intent of the parties as expressed by this Addendum. Terms used herein with the initial letter capitalized which are not otherwise defined herein, shall have the meaning given said terms in the Agreement. The Agreement as amended by this Addendum Number One shall remain in full force and effect. Section 1 is amended as follows: The words "February 28, 2002" are hereby deleted and replaced by the words "February 28, 2003". IN WITNESS WHEREOF, the parties have executed this Addendum as of the date first written above. Employee Aspect Communications Corporation Signature: /s/ Katherine L. Tyra By: /s/ Beatriz Infante ----------------------------- --------------------------------- Name: Kathy Tyra Name: Beatriz Infante ---------------------------------- ------------------------------ Title: Chairman of the Board (COB) ------------------------------ Chief Executive Officer (CEO) ----------------------------- and President ------------------------------ ADDENDUM NUMBER ONE TO LETTER AGREEMENT This is Addendum Number One (the "Addendum") dated January 3, 2002 to that certain Letter Agreement, dated November 9, 2000 (the "Agreement"), by and between Larry White ("Employee") and Aspect Communications Corporation ("Company"). In consideration of the mutual covenants set forth herein and in the Agreement, Employee and Company hereby agree as follows: Priority. The parties agree that the Agreement is hereby amended as set -------- forth in this Addendum Number One. Any inconsistency between this Addendum and the Agreement shall be resolved in favor of the intent of the parties as expressed by this Addendum. Terms used herein with the initial letter capitalized which are not otherwise defined herein, shall have the meaning given said terms in the Agreement. The Agreement as amended by this Addendum Number One shall remain in full force and effect. Section 1 is amended as follows: The words "February 28, 2002" are hereby deleted and replaced by the words "February 28, 2003". IN WITNESS WHEREOF, the parties have executed this Addendum as of the date first written above. Employee Aspect Communications Corporation Signature: /s/ Larry White 1/17/02 By: /s/ Beatriz Infante ----------------------------- --------------------------------- Name: Larry P. White Name: Beatriz Infante ---------------------------------- ------------------------------ Title: Chairman of the Board (COB), ------------------------------ Chief Executive Officer (CEO) ----------------------------- and President ------------------------------ ADDENDUM NUMBER ONE TO LETTER AGREEMENT This is Addendum Number One (the "Addendum") dated January 3, 2002 to that certain Letter Agreement, dated November 9, 2000 (the "Agreement"), by and between Brooke Wagner ("Employee") and Aspect Communications Corporation ("Company"). In consideration of the mutual covenants set forth herein and in the Agreement, Employee and Company hereby agree as follows: Priority. The parties agree that the Agreement is hereby amended as set -------- forth in this Addendum Number One. Any inconsistency between this Addendum and the Agreement shall be resolved in favor of the intent of the parties as expressed by this Addendum. Terms used herein with the initial letter capitalized which are not otherwise defined herein, shall have the meaning given said terms in the Agreement. The Agreement as amended by this Addendum Number One shall remain in full force and effect. Section 1 is amended as follows: The words "February 28, 2002" are hereby deleted and replaced by the words "February 28, 2003". IN WITNESS WHEREOF, the parties have executed this Addendum as of the date first written above. Employee Aspect Communications Corporation Signature: /s/ Brooke D. Wagner By: /s/ Beatriz Infante ----------------------------- --------------------------------- Name: Brooke D. Wagner Name: Beatriz Infante ---------------------------------- ------------------------------ Title: Chairman of the Board (COB), ------------------------------ Chief Executive Officer (CEO) ----------------------------- and President ------------------------------ ADDENDUM NUMBER ONE TO LETTER AGREEMENT This is Addendum Number One (the "Addendum") dated January 3, 2002 to that certain Letter Agreement, dated April 3, 2001 (the "Agreement"), by and between Julie Estko ("Employee") and Aspect Communications Corporation ("Company"). In consideration of the mutual covenants set forth herein and in the Agreement, Employee and Company hereby agree as follows: Priority. The parties agree that the Agreement is hereby amended as set -------- forth in this Addendum Number One. Any inconsistency between this Addendum and the Agreement shall be resolved in favor of the intent of the parties as expressed by this Addendum. Terms used herein with the initial letter capitalized which are not otherwise defined herein, shall have the meaning given said terms in the Agreement. The Agreement as amended by this Addendum Number One shall remain in full force and effect. Section 1 is amended as follows: The words "February 28, 2002" are hereby deleted and replaced by the words "February 28, 2003". IN WITNESS WHEREOF, the parties have executed this Addendum as of the date first written above. Employee Aspect Communications Corporation Signature: /s/ Julie M. Estko By: /s/ Beatriz Infante ----------------------------- --------------------------------- Name: Julie M. Estko Name: Beatriz Infante ---------------------------------- ------------------------------ Title: Chairman of the Board (COB), ------------------------------ Chief Executive Officer (CEO) ----------------------------- and President ------------------------------ ADDENDUM NUMBER ONE TO LETTER AGREEMENT This is Addendum Number One (the "Addendum") dated January 3, 2002 to that certain Letter Agreement, dated August 29, 2000 (the "Agreement"), by and between Shon Wedde ("Employee") and Aspect Communications Corporation ("Company"). In consideration of the mutual covenants set forth herein and in the Agreement, Employee and Company hereby agree as follows: Priority. The parties agree that the Agreement is hereby amended as set -------- forth in this Addendum Number One. Any inconsistency between this Addendum and the Agreement shall be resolved in favor of the intent of the parties as expressed by this Addendum. Terms used herein with the initial letter capitalized which are not otherwise defined herein, shall have the meaning given said terms in the Agreement. The Agreement as amended by this Addendum Number One shall remain in full force and effect. Section 1 is amended as follows: The words "February 28, 2002" are hereby deleted and replaced by the words "February 28, 2003". IN WITNESS WHEREOF, the parties have executed this Addendum as of the date first written above. Employee Aspect Communications Corporation Signature: /s/ Shon Wedde By: /s/ Beatriz Infante ----------------------------- --------------------------------- Name: Shon Wedde Name: Beatriz Infante ---------------------------------- ------------------------------ Title: Chairman of the Board (COB), ------------------------------ Chief Executive Officer (CEO) ----------------------------- and President ------------------------------ ADDENDUM NUMBER ONE TO LETTER AGREEMENT This is Addendum Number One (the "Addendum") dated January 3, 2002 to that certain Letter Agreement, dated March 27, 2001 (the "Agreement"), by and between Beatriz Infante ("Employee") and Aspect Communications Corporation ("Company"). In consideration of the mutual covenants set forth herein and in the Agreement, Employee and Company hereby agree as follows: Priority. The parties agree that the Agreement is hereby amended as set -------- forth in this Addendum Number One. Any inconsistency between this Addendum and the Agreement shall be resolved in favor of the intent of the parties as expressed by this Addendum. Terms used herein with the initial letter capitalized which are not otherwise defined herein, shall have the meaning given said terms in the Agreement. The Agreement as amended by this Addendum Number One shall remain in full force and effect. Section 1 is amended as follows: The words "February 28, 2002" are hereby deleted and replaced by the words "February 28, 2003". IN WITNESS WHEREOF, the parties have executed this Addendum as of the date first written above. Employee Aspect Communications Corporation Signature: /s/ Beatriz V. Infante By: /s/ Debra Engel ----------------------------- --------------------------------- Name: Beatriz V. Infante Name: Debra Engel ---------------------------------- ------------------------------ Via Inter-office Mail - --------------------- ADDENDUM NUMBER ONE TO LETTER AGREEMENT This is Addendum Number One (the "Addendum") dated January 3, 2002 to that certain Letter Agreement, dated July 31, 2001 (the "Agreement"), by and between Michael G. DeMatteis ("Employee") and Aspect Communications Corporation ("Company"). In consideration of the mutual covenants set forth herein and in the Agreement, Employee and Company hereby agree as follows: Priority. The parties agree that the Agreement is hereby amended as set -------- forth in this Addendum Number One. Any inconsistency between this Addendum and the Agreement shall be resolved in favor of the intent of the parties as expressed by this Addendum. Terms used herein with the initial letter capitalized which are not otherwise defined herein, shall have the meaning given said terms in the Agreement. The Agreement as amended by this Addendum Number One shall remain in full force and effect. Section 1 is amended as follows: The words "February 28, 2002" are hereby deleted and replaced by the words "February 28, 2003". IN WITNESS WHEREOF, the parties have executed this Addendum as of the date first written above. Employee Aspect Communications Corporation Signature: /s/ Michael G. DeMatteis By: /s/ Beatriz Infante ----------------------------- --------------------------------- Name: Michael G. DeMatteis Name: Beatriz Infante ---------------------------------- ------------------------------ Title: Chairman of the Board (COB), ------------------------------ Chief Executive Officer (CEO) ----------------------------- and President ------------------------------ Via Inter-office Mail - --------------------- ADDENDUM NUMBER ONE TO LETTER AGREEMENT This is Addendum Number One (the "Addendum") dated January 3, 2002 to that certain Letter Agreement, dated July 31, 2001 (the "Agreement"), by and between James Patrice ("Employee") and Aspect Communications Corporation ("Company"). In consideration of the mutual covenants set forth herein and in the Agreement, Employee and Company hereby agree as follows: Priority. The parties agree that the Agreement is hereby amended as set -------- forth in this Addendum Number One. Any inconsistency between this Addendum and the Agreement shall be resolved in favor of the intent of the parties as expressed by this Addendum. Terms used herein with the initial letter capitalized which are not otherwise defined herein, shall have the meaning given said terms in the Agreement. The Agreement as amended by this Addendum Number One shall remain in full force and effect. Section 1 is amended as follows: The words "February 28, 2002" are hereby deleted and replaced by the words "February 28, 2003". IN WITNESS WHEREOF, the parties have executed this Addendum as of the date first written above. Employee Aspect Communications Corporation Signature: /s/ James A. Patrice By: /s/ Beatriz Infante ----------------------------- --------------------------------- Name: James A. Patrice Name: Beatriz Infante ---------------------------------- ------------------------------ Title: Chairman of the Board (COB) ------------------------------ Chief Executive Officer (CEO) ----------------------------- and President ------------------------------ ADDENDUM NUMBER ONE TO LETTER AGREEMENT This is Addendum Number One (the "Addendum") dated January 3, 2002 to that certain Letter Agreement, dated July 31, 2001 (the "Agreement"), by and between Rod Butters ("Employee") and Aspect Communications Corporation ("Company"). In consideration of the mutual covenants set forth herein and in the Agreement, Employee and Company hereby agree as follows: Priority. The parties agree that the Agreement is hereby amended as set -------- forth in this Addendum Number One. Any inconsistency between this Addendum and the Agreement shall be resolved in favor of the intent of the parties as expressed by this Addendum. Terms used herein with the initial letter capitalized which are not otherwise defined herein, shall have the meaning given said terms in the Agreement. The Agreement as amended by this Addendum Number One shall remain in full force and effect. Section 1 is amended as follows: The words "February 28, 2002" are hereby deleted and replaced by the words "February 28, 2003". IN WITNESS WHEREOF, the parties have executed this Addendum as of the date first written above. Employee Aspect Communications Corporation Signature: /s/ Rod Butters By: /s/ Beatriz Infante ----------------------------- --------------------------------- Name: Rod Butters Name: Beatriz Infante ---------------------------------- ------------------------------ Title: Chairman of the Board (COB) ------------------------------ Chief Executive Officer (CEO) ----------------------------- and President ------------------------------ ADDENDUM NUMBER ONE TO LETTER AGREEMENT This is Addendum Number One (the "Addendum") dated January 3, 2002 to that certain Letter Agreement, dated November 23, 2000 (the "Agreement"), by and between Gary Barnett ("Employee") and Aspect Communications Corporation ("Company"). In consideration of the mutual covenants set forth herein and in the Agreement, Employee and Company hereby agree as follows: Priority. The parties agree that the Agreement is hereby amended as set -------- forth in this Addendum Number One. Any inconsistency between this Addendum and the Agreement shall be resolved in favor of the intent of the parties as expressed by this Addendum. Terms used herein with the initial letter capitalized which are not otherwise defined herein, shall have the meaning given said terms in the Agreement. The Agreement as amended by this Addendum Number One shall remain in full force and effect. Section 1 is amended as follows: The words "February 28, 2002" are hereby deleted and replaced by the words "February 28, 2003". IN WITNESS WHEREOF, the parties have executed this Addendum as of the date first written above. Employee Aspect Communications Corporation Signature: /s/ Gary E. Barnett By: /s/ Beatriz Infante ----------------------------- --------------------------------- Name: Gary E. Barnett Name: Beatriz Infante ---------------------------------- ------------------------------ Title: Chairman of the Board (COB), ------------------------------ Chief Executive Officer (CEO) ----------------------------- and President ------------------------------ ADDENDUM NUMBER ONE TO LETTER AGREEMENT This is Addendum Number One (the "Addendum") dated January 3, 2002 to that certain Letter Agreement, dated July 31, 2001 (the "Agreement"), by and between Christopher Purpura ("Employee") and Aspect Communications Corporation ("Company"). In consideration of the mutual covenants set forth herein and in the Agreement, Employee and Company hereby agree as follows: Priority. The parties agree that the Agreement is hereby amended as set -------- forth in this Addendum Number One. Any inconsistency between this Addendum and the Agreement shall be resolved in favor of the intent of the parties as expressed by this Addendum. Terms used herein with the initial letter capitalized which are not otherwise defined herein, shall have the meaning given said terms in the Agreement. The Agreement as amended by this Addendum Number One shall remain in full force and effect. Section 1 is amended as follows: The words "February 28, 2002" are hereby deleted and replaced by the words "February 28, 2003". IN WITNESS WHEREOF, the parties have executed this Addendum as of the date first written above. Employee Aspect Communications Corporation Signature: /s/ Chris Purpura By: /s/ Beatriz Infante ----------------------------- --------------------------------- Name: Chris Purpura Name: Beatriz Infante ---------------------------------- ------------------------------ Title: Chairman of the Board (COB), ------------------------------ Chief Executive Officer (CEO) ----------------------------- and President ------------------------------ ADDENDUM NUMBER ONE TO LETTER AGREEMENT This is Addendum Number One (the "Addendum") dated January 3, 2002 to that certain Letter Agreement, dated November 9, 2000 (the "Agreement"), by and between Christine Gorjanc ("Employee") and Aspect Communications Corporation ("Company"). In consideration of the mutual covenants set forth herein and in the Agreement, Employee and Company hereby agree as follows: Priority. The parties agree that the Agreement is hereby amended as set -------- forth in this Addendum Number One. Any inconsistency between this Addendum and the Agreement shall be resolved in favor of the intent of the parties as expressed by this Addendum. Terms used herein with the initial letter capitalized which are not otherwise defined herein, shall have the meaning given said terms in the Agreement. The Agreement as amended by this Addendum Number One shall remain in full force and effect. Section 1 is amended as follows: The words "February 28, 2002" are hereby deleted and replaced by the words "February 28, 2003". IN WITNESS WHEREOF, the parties have executed this Addendum as of the date first written above. Employee Aspect Communications Corporation Signature: /s/ Christine M. Gorjanc By: /s/ Beatriz Infante ----------------------------- --------------------------------- Name: Christine M. Gorjanc Name: Beatriz Infante ---------------------------------- ------------------------------ Title: Chairman of the Board (COB), ------------------------------ Chief Executive Officer (CEO) ----------------------------- and President ------------------------------