POWER OF ATTORNEY



The undersigned hereby constitutes and appoints each of the Secretary and any

Assistant Secretary of InterDigital Communications Corporation (the

"Company"), signing singly, the undersigned's true and lawful

attorney-in-fact to:



(1) execute for and on behalf of the undersigned, in the undersigned's

capacity as a director of the Company, Forms 3, 4, and 5 in

accordance with Section 16(a) of the Securities Exchange Act

of 1934 and the rules thereunder;



(2) do and perform any and all acts for and on behalf of the undersigned

which may be necessary or desirable to complete and execute any

Forms 3, 4, or 5 and timely file such form with the United States

Securities and Exchange Commission and any stock exchange or

similar authority; and



(3) take any other action of any type whatsoever in connection with the

foregoing which, in the opinion of such attorney-in-fact, may be of benefit

to, in the best interest of, or legally required by, the undersigned, it

being understood that the documents executed by such attorney-in-fact on

behalf of the undersigned pursuant to this Power of Attorney shall be

in such form and shall contain such terms and conditions as such

attorney-in-fact may approve in such attorney-in-fact's discretion.



The undersigned hereby grants to each such attorney-in-fact full power and

authority to do and perform any and every act and thing whatsoever requisite,

necessary, or proper to be done in the exercise of any of the rights and

powers herein granted, as fully to all intents and purposes as the

undersigned might or could do if personally present, with full power of

substitution or revocation, hereby ratifying and confirming all that

such attorney-in-fact, or such attorney-in-fact's substitute or

substitutes, shall lawfully do or cause to be done by virtue of this

power of attorney and the rights and powers herein granted.  The undersigned

acknowledges that the foregoing attorneys-in-fact, in serving in such

capacity at the request of the undersigned, are not assuming, nor is the

Company assuming, any of the undersigned's responsibilities to comply

with Section 16 of the Securities Exchange Act of 1934.



This Power of Attorney shall remain in full force and effect until the

undersigned is no longer required to file Forms 3, 4 and 5 with respect

to the undersigned's holdings of and transactions in securities issued

by the Company, unless (i) earlier revoked by the undersigned in a

signed writing delivered to the foregoing attorneys-in-fact, or (ii) with

respect to each individual attorney-in-fact, upon their retirement or

termination as a director of the Company.



IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to

be executed as of this 11th day of December, 2003.



Signature: /s/



Print Name:  Alan P. Zabarsky