<PAGE>   1
                                                                   Exhibit 24

                               POWER OF ATTORNEY




KNOW ALL MEN BY THESE PRESENTS:



            WHEREAS, Lucent Technologies Inc., a Delaware corporation
(hereinafter referred to as the "Company"), proposes to file with the
Securities and Exchange Commission, under the provisions of the Securities
Exchange Act of 1934, as amended, a Form 10-K for the transition period from
January 1, 1996 to September 30, 1996; and

            WHEREAS, the undersigned is a Director and/or Officer of the
Company, as indicated below following the signature:

            NOW, THEREFORE, the undersigned hereby constitutes and appoints
Donald K. Peterson, Florence L. Walsh, and James S. Lusk and each of them, as
attorneys for, and in the name, place and stead of the undersigned, and in the
capacity of the undersigned as a Director and/or Officer of the Company, to
execute and file such Form 10-K and any amendments or supplements thereto,
hereby giving and granting to said attorneys, and each of them, full power and
authority to do and perform each and every act and thing whatsoever requisite
and necessary to be done in and about the premises, as fully, to all intents
and purposes, as the undersigned might or could do if personally present at the
doing thereof, hereby ratifying and confirming all that said attorneys may or
shall lawfully do, or cause to be done, by virtue hereof.

            IN WITNESS WHEREOF, the undersigned has executed this Power of
Attorney this 13th day of December, 1996.





                              By:  /s/ HENRY B. SCHACHT
                                   ---------------------------------
                              Name:      Henry B. Schacht
                              Title:     Chairman of the Board and
                                         Chief Executive Officer
<PAGE>   2
                                                                      Exhibit 24
                               
                               POWER OF ATTORNEY




KNOW ALL MEN BY THESE PRESENTS:



            WHEREAS, Lucent Technologies Inc., a Delaware corporation
(hereinafter referred to as the "Company"), proposes to file with the
Securities and Exchange Commission, under the provisions of the Securities
Exchange Act of 1934, as amended, a Form 10-K for the transition period from
January 1, 1996 to September 30, 1996; and

            WHEREAS, the undersigned is a Director and/or Officer of the
Company, as indicated below following the signature:

            NOW, THEREFORE, the undersigned hereby constitutes and appoints
Donald K. Peterson, Florence L. Walsh, and James S. Lusk and each of them, as
attorneys for, and in the name, place and stead of the undersigned, and in the
capacity of the undersigned as a Director and/or Officer of the Company, to
execute and file such Form 10-K and any amendments or supplements thereto,
hereby giving and granting to said attorneys, and each of them, full power and
authority to do and perform each and every act and thing whatsoever requisite
and necessary to be done in and about the premises, as fully, to all intents
and purposes, as the undersigned might or could do if personally present at the
doing thereof, hereby ratifying and confirming all that said attorneys may or
shall lawfully do, or cause to be done, by virtue hereof.

            IN WITNESS WHEREOF, the undersigned has executed this Power of
Attorney this 13th day of December, 1996.




                              By:  /s/ RICHARD A. MCGINN
                                  -----------------------------------
                              Name:      Richard A. McGinn
                              Title:     Director and President and
                                         Chief Operating Officer
<PAGE>   3
                                                                      Exhibit 24

                               POWER OF ATTORNEY





KNOW ALL MEN BY THESE PRESENTS:



            WHEREAS, Lucent Technologies Inc., a Delaware corporation
(hereinafter referred to as the "Company"), proposes to file with the
Securities and Exchange Commission, under the provisions of the Securities
Exchange Act of 1934, as amended, a Form 10-K for the transition period from
January 1, 1996 to September 30, 1996; and

            WHEREAS, the undersigned is a Director and/or Officer of the
Company, as indicated below following the signature:

            NOW, THEREFORE, the undersigned hereby constitutes and appoints
Donald K. Peterson, Florence L. Walsh, and James S. Lusk and each of them, as
attorneys for, and in the name, place and stead of the undersigned, and in the
capacity of the undersigned as a Director and/or Officer of the Company, to
execute and file such Form 10-K and any amendments or supplements thereto,
hereby giving and granting to said attorneys, and each of them, full power and
authority to do and perform each and every act and thing whatsoever requisite
and necessary to be done in and about the premises, as fully, to all intents
and purposes, as the undersigned might or could do if personally present at the
doing thereof, hereby ratifying and confirming all that said attorneys may or
shall lawfully do, or cause to be done, by virtue hereof.

            IN WITNESS WHEREOF, the undersigned has executed this Power of
Attorney this 13th day of December, 1996.





                              By:    /s/ CARLA A. HILLS
                                     -----------------------------
                              Name:      Carla A. Hills
                              Title:     Director
<PAGE>   4
                                                                      Exhibit 24

                               POWER OF ATTORNEY




KNOW ALL MEN BY THESE PRESENTS:



            WHEREAS, Lucent Technologies Inc., a Delaware corporation
(hereinafter referred to as the "Company"), proposes to file with the
Securities and Exchange Commission, under the provisions of the Securities
Exchange Act of 1934, as amended, a Form 10-K for the transition period from
January 1, 1996 to September 30, 1996; and

            WHEREAS, the undersigned is a Director and/or Officer of the
Company, as indicated below following the signature:

            NOW, THEREFORE, the undersigned hereby constitutes and appoints
Donald K. Peterson, Florence L. Walsh, and James S. Lusk and each of them, as
attorneys for, and in the name, place and stead of the undersigned, and in the
capacity of the undersigned as a Director and/or Officer of the Company, to
execute and file such Form 10-K and any amendments or supplements thereto,
hereby giving and granting to said attorneys, and each of them, full power and
authority to do and perform each and every act and thing whatsoever requisite
and necessary to be done in and about the premises, as fully, to all intents
and purposes, as the undersigned might or could do if personally present at the
doing thereof, hereby ratifying and confirming all that said attorneys may or
shall lawfully do, or cause to be done, by virtue hereof.

            IN WITNESS WHEREOF, the undersigned has executed this Power of
Attorney this 13th day of December, 1996.





                              By:  /s/ DREW LEWIS
                                   ---------------------------------
                              Name:      Drew Lewis
                              Title:     Director
<PAGE>   5
                                                                      Exhibit 24

                               POWER OF ATTORNEY




KNOW ALL MEN BY THESE PRESENTS:



            WHEREAS, Lucent Technologies Inc., a Delaware corporation
(hereinafter referred to as the "Company"), proposes to file with the
Securities and Exchange Commission, under the provisions of the Securities
Exchange Act of 1934, as amended, a Form 10-K for the transition period from
January 1, 1996 to September 30, 1996; and

            WHEREAS, the undersigned is a Director and/or Officer of the
Company, as indicated below following the signature:

            NOW, THEREFORE, the undersigned hereby constitutes and appoints
Donald K. Peterson, Florence L. Walsh, and James S. Lusk and each of them, as
attorneys for, and in the name, place and stead of the undersigned, and in the
capacity of the undersigned as a Director and/or Officer of the Company, to
execute and file such Form 10-K and any amendments or supplements thereto,
hereby giving and granting to said attorneys, and each of them, full power and
authority to do and perform each and every act and thing whatsoever requisite
and necessary to be done in and about the premises, as fully, to all intents
and purposes, as the undersigned might or could do if personally present at the
doing thereof, hereby ratifying and confirming all that said attorneys may or
shall lawfully do, or cause to be done, by virtue hereof.

            IN WITNESS WHEREOF, the undersigned has executed this Power of
Attorney this 13th day of December, 1996.





                              By:  /s/ DONALD S. PERKINS
                                   ----------------------------------
                              Name:      Donald S. Perkins
                              Title:     Director
<PAGE>   6
                                                                      Exhibit 24

                               POWER OF ATTORNEY




KNOW ALL MEN BY THESE PRESENTS:



            WHEREAS, Lucent Technologies Inc., a Delaware corporation
(hereinafter referred to as the "Company"), proposes to file with the
Securities and Exchange Commission, under the provisions of the Securities
Exchange Act of 1934, as amended, a Form 10-K for the transition period from
January 1, 1996 to September 30, 1996; and

            WHEREAS, the undersigned is a Director and/or Officer of the
Company, as indicated below following the signature:

            NOW, THEREFORE, the undersigned hereby constitutes and appoints
Donald K. Peterson, Florence L. Walsh, and James S. Lusk and each of them, as
attorneys for, and in the name, place and stead of the undersigned, and in the
capacity of the undersigned as a Director and/or Officer of the Company, to
execute and file such Form 10-K and any amendments or supplements thereto,
hereby giving and granting to said attorneys, and each of them, full power and
authority to do and perform each and every act and thing whatsoever requisite
and necessary to be done in and about the premises, as fully, to all intents
and purposes, as the undersigned might or could do if personally present at the
doing thereof, hereby ratifying and confirming all that said attorneys may or
shall lawfully do, or cause to be done, by virtue hereof.

            IN WITNESS WHEREOF, the undersigned has executed this Power of
Attorney this 13th day of December, 1996.





                              By:  /s/ FRANKLIN A. THOMAS
                                   -----------------------------------
                              Name:      Franklin A. Thomas
                              Title:     Director
<PAGE>   7
                                                                  Exhibit 24


                               POWER OF ATTORNEY




KNOW ALL MEN BY THESE PRESENTS:



            WHEREAS, Lucent Technologies Inc., a Delaware corporation
(hereinafter referred to as the "Company"), proposes to file with the
Securities and Exchange Commission, under the provisions of the Securities
Exchange Act of 1934, as amended, a Form 10-K for the transition period from
January 1, 1996 to September 30, 1996; and

            WHEREAS, the undersigned is a Director and/or Officer of the
Company, as indicated below following the signature:

            NOW, THEREFORE, the undersigned hereby constitutes and appoints
Donald K. Peterson, Florence L. Walsh, and James S. Lusk and each of them, as
attorneys for, and in the name, place and stead of the undersigned, and in the
capacity of the undersigned as a Director and/or Officer of the Company, to
execute and file such Form 10-K and any amendments or supplements thereto,
hereby giving and granting to said attorneys, and each of them, full power and
authority to do and perform each and every act and thing whatsoever requisite
and necessary to be done in and about the premises, as fully, to all intents
and purposes, as the undersigned might or could do if personally present at the
doing thereof, hereby ratifying and confirming all that said attorneys may or
shall lawfully do, or cause to be done, by virtue hereof.

            IN WITNESS WHEREOF, the undersigned has executed this Power of
Attorney this 13th day of December, 1996.





                              By:  /s/ PAUL A. ALLAIRE
                                   ----------------------------------
                              Name:      Paul A. Allaire
                              Title:     Director
<PAGE>   8
                                                                    Exhibit 24


                               POWER OF ATTORNEY




KNOW ALL MEN BY THESE PRESENTS:



            WHEREAS, Lucent Technologies Inc., a Delaware corporation
(hereinafter referred to as the "Company"), proposes to file with the
Securities and Exchange Commission, under the provisions of the Securities
Exchange Act of 1934, as amended, a Form 10-K for the transition period from
January 1, 1996 to September 30, 1996; and

            WHEREAS, the undersigned is a Director and/or Officer of the
Company, as indicated below following the signature:

            NOW, THEREFORE, the undersigned hereby constitutes and appoints
Donald K. Peterson, Florence L. Walsh, and James S. Lusk and each of them, as
attorneys for, and in the name, place and stead of the undersigned, and in the
capacity of the undersigned as a Director and/or Officer of the Company, to
execute and file such Form 10-K and any amendments or supplements thereto,
hereby giving and granting to said attorneys, and each of them, full power and
authority to do and perform each and every act and thing whatsoever requisite
and necessary to be done in and about the premises, as fully, to all intents
and purposes, as the undersigned might or could do if personally present at the
doing thereof, hereby ratifying and confirming all that said attorneys may or
shall lawfully do, or cause to be done, by virtue hereof.

            IN WITNESS WHEREOF, the undersigned has executed this Power of
Attorney this 13th day of December, 1996.





                              By:  /s/ JOHN A. YOUNG
                                   ----------------------------------
                              Name:      John A. Young
                              Title:     Director
<PAGE>   9
                                                                    Exhibit 24


                               POWER OF ATTORNEY




KNOW ALL MEN BY THESE PRESENTS:



            WHEREAS, Lucent Technologies Inc., a Delaware corporation
(hereinafter referred to as the "Company"), proposes to file with the
Securities and Exchange Commission, under the provisions of the Securities
Exchange Act of 1934, as amended, a Form 10-K for the transition period from
January 1, 1996 to September 30, 1996; and

            WHEREAS, the undersigned is a Director and/or Officer of the
Company, as indicated below following the signature:

            NOW, THEREFORE, the undersigned hereby constitutes and appoints
Donald K. Peterson, Florence L. Walsh, and James S. Lusk and each of them, as
attorneys for, and in the name, place and stead of the undersigned, and in the
capacity of the undersigned as a Director and/or Officer of the Company, to
execute and file such Form 10-K and any amendments or supplements thereto,
hereby giving and granting to said attorneys, and each of them, full power and
authority to do and perform each and every act and thing whatsoever requisite
and necessary to be done in and about the premises, as fully, to all intents
and purposes, as the undersigned might or could do if personally present at the
doing thereof, hereby ratifying and confirming all that said attorneys may or
shall lawfully do, or cause to be done, by virtue hereof.

            IN WITNESS WHEREOF, the undersigned has executed this Power of
Attorney this 13th day of December, 1996.





                              By:  /s/ PAUL H. O'NEILL
                                   ----------------------------------
                              Name:      Paul H. O'Neill
                              Title:     Director
<PAGE>   10
                                                                    Exhibit 24


                               POWER OF ATTORNEY




KNOW ALL MEN BY THESE PRESENTS:



            WHEREAS, Lucent Technologies Inc., a Delaware corporation
(hereinafter referred to as the "Company"), proposes to file with the
Securities and Exchange Commission, under the provisions of the Securities
Exchange Act of 1934, as amended, a Form 10-K for the transition period from
January 1, 1996 to September 30, 1996; and

            WHEREAS, the undersigned is a Director and/or Officer of the
Company, as indicated below following the signature:

            NOW, THEREFORE, the undersigned hereby constitutes and appoints
Florence L. Walsh and James S. Lusk and each of them, as attorneys for, and in
the name, place and stead of the undersigned, and in the capacity of the
undersigned as a Director and/or Officer of the Company, to execute and file
such Form 10-K and any amendments or supplements thereto, hereby giving and
granting to said attorneys, and each of them, full power and authority to do
and perform each and every act and thing whatsoever requisite and necessary to
be done in and about the premises, as fully, to all intents and purposes, as
the undersigned might or could do if personally present at the doing thereof,
hereby ratifying and confirming all that said attorneys may or shall lawfully
do, or cause to be done, by virtue hereof.

            IN WITNESS WHEREOF, the undersigned has executed this Power of
Attorney this 13th day of December, 1996.





                              By:  /s/ DONALD K. PETERSON
                                   ----------------------------------
                              Name:      Donald K. Peterson
                              Title:     Executive Vice President and
                                         Chief Financial Officer