8-K

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                UNITED STATES SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                                 ______________

                                    FORM 8-K

                                 CURRENT REPORT

                        PURSUANT TO SECTION 13 OR 15 (d)
                     OF THE SECURITIES EXCHANGE ACT OF 1934

        DATE OF REPORT (Date of earliest event reported): March 23, 2006
                                 ______________

                     InterDigital Communications Corporation
             (Exact name of registrant as specified in its charter)



         Pennsylvania               1-11152                23-1882087
 (State or other jurisdiction     (Commission            (IRS Employer
       of incorporation)          File Number)         Identification No.)


  781 Third Avenue, King of Prussia, PA                    19406-1409
 (Address of Principal Executive Offices)                  (Zip Code)


        Registrant's telephone number, including area code: 610-878-7800

Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions:

|_|  Written communications pursuant to Rule 425 under the Securities Act (17
     CFR 230.425)
|_|  Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
     240.14a-12)
|_|  Pre-commencement communications pursuant to Rule 14d-2(b) under the
     Exchange Act (17 CFR 240.14d-2(b))
|_|  Pre-commencement communications pursuant to Rule 13e-4(c) under the
     Exchange Act (17 CFR 240.13e-4(c))

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Item 7.01.   Regulation FD Disclosure.

The slide presentation attached hereto as Exhibit 99.1 will be presented by
InterDigital Communications Corporation at investor meetings on March 23,
2006 and may be used at future investor conferences or meetings.

The information in this report, including Exhibit 99.1, is being furnished
pursuant to Item 7.01 of Form 8-K and shall not be deemed "filed" for purposes
of Section 18 of the Securities Exchange Act of 1934, as amended (Exchange Act)
or otherwise subject to the liabilities of that Section, nor shall such
information be deemed incorporated by reference in any filing under the
Securities Act of 1933, as amended, or the Exchange Act.


Item 9.01.   Financial Statements and Exhibits.

(c)    Exhibits.

       99.1    Investor presentation of InterDigital Communications Corporation
               dated March 2006.


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                                   SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the
Registrant has duly caused this Current Report on Form 8-K to be signed on its
behalf by the undersigned hereunto duly authorized.


                                     INTERDIGITAL COMMUNICATIONS CORPORATION


                                     By: /s/ R.J. Fagan
                                         ---------------------------------------
                                         Richard J. Fagan
                                         Chief Financial Officer



Dated: March 23, 2006


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                                  EXHIBIT INDEX



Exhibit No.                                Description
- -----------                                -----------

   99.1              Investor presentation of InterDigital Communications
                     Corporation dated March 2006.

EX-99.1

Exhibit 99.1

Vision Innovation Speed Performance InterDigital Communications Corporation March 2006

This presentation contains forward-looking statements regarding InterDigital's current beliefs, plans and expectations as to: (i) our strategy; (ii) our first quarter 2006 revenue projections; (iii) our future annual revenue potential; (iv) our ability to leverage existing patents and enhance our product offerings; (v) future global handset sales; and, (vi) the growth of our 3G licensing program. Such statements are subject to risks and uncertainties. Actual outcomes could differ materially from those expressed in or anticipated by such forward-looking statements due to a variety of factors including, but not limited to: (i) the market relevance of our technologies, changes in technology preferences of strategic partners or consumers, our ability to leverage our existing and enter into additional strategic relationships, and our ability to leverage existing agreements with General Dynamics, Philips and Infineon; (ii) unanticipated inaccuracies in our licensee's royalty reports received during first quarter 2006; (iii) ability to enter into additional license agreements; (iv) unfavorable outcomes in patent disputes; and (v) inaccuracy in market projections. (C) 2006 InterDigital Communications Corporation. All rights reserved.

InterDigital at a Glance o Pioneered development of advanceddigital wireless technologies - 30+ year history of invention and worldwide deployments - Focus on complete systems solutions o Key contributor to standards bodies - 2G & 3G cellular, 802 Wireless o Highly successful licensor - 2G, 2.5G, 3G and emerging 802 patent portfolio o Strong financial condition (C) 2006 InterDigital Communications Corporation. All rights reserved.

Financial Strength and Expanding Revenues in millions Solid Balance Sheet Revenue Base Reflects Additional Revenue Streams $45 $40 $140 $120 $35 $100 $30 $80 $25 $60 $20 $40 $15 $10 $20 $5 $0 $0 2003 2004 2005 Q1Q2 Q3Q4 2005 Cash & ST Investments Share Repurchases iiiRecurrng Royaltes * Tech S olutons * Excludes payments for past sales (C) 2006 InterDigital Communications Corporation. All rights reserved.

Entering 2006 with Bright Prospects o Added LG Electronics as New Licensee o Q1 '06 Revenue Projected to Grow to $50 Million -$52 Million o Focused Investments, Disciplined Expense Management o $100 Million Share Repurchase Authorization in March 2006 o Expanded Corporate Development Focus (C) 2006 InterDigital Communications Corporation. All rights reserved.

Leading Brands License Our Patents All trademarks are the sole property of their respective owners. (C) 2006 InterDigital Communications Corporation. All rights reserved.

7(C)2006 InterDigital Communications Corporation. All rights reserved. Building and Providing Technology Solutions GSM/GPRSEDGELicensed fromInfineonWCDMAR4InfineonGeneral DynamicsHSDPAR5InfineonGSM/GPRSEDGEAcquire/ PartnerWCDMAR4GeneralDynamicsHSDPAR5PhilipsHSUPAR6Layer1Layer2/3HSUPAR6 Technology inDevelopmentMODEMLayer03GPLATFORMRadioApplication LayerCustomers/Partners

The Opportunity 0 200 400 600 800 1000 1200 2004 2005 2006 2007 2008 2009 2010 GSM// o Goal: Secure Revenue on Every 3G Mobile Device o Close to One Billion Mobile Phones to Ship in 2009 - 60% expected to be 3G iM Units Other CDMA2000 WCDMA GPRSEDGE Source: Strategy Analytcs Global Handset Sales by Technology (C) 2006 InterDigital Communications Corporation. All rights reserved.

Tremendous Opportunity 2009 as an example Annual Potential Revenue (in $ millions) Avg. $ per Device $2.00 $300 $600 $900 $1200 $1.50 $225 $450 $675 $900 $1.00 $150 $300 $450 $600 $0.50 $ 75 $150 $225 $300 25% 50% 75% 100% Percent of Market Covered (C) 2006 InterDigital Communications Corporation. All rights reserved.

How Do We Succeed? o Leverage Existing 2,000+ Patents Covering Digital Wireless Technologies o Enhance and Leverage Product Offerings o Focus IPR and Technology Development on Mobile Devices (C) 2006 InterDigital Communications Corporation. All rights reserved.

We are on the right path Patent licensing - continues to flourish o Solid and growing position in 3G market - 35 -40% of WCDMA and cdma2000(R) mobile devices covered - 5 new 3G licensees in past 6 months Product offering - assembling a complete solution o Complete WCDMA Release 4 solution o Leading HSDPA ASIC solution o Licensed 2G Protocol Stack Software (C) 2006 InterDigital Communications Corporation. All rights reserved.

What to Expect -Synergy and Speed o Growth in 3G Patent License Revenue o Additional Customers for our ASIC and Protocol Stack Offerings o Deals that Leverage Synergy Between Patents and Technology Solutions Value Creation (C) 2006 InterDigital Communications Corporation. All rights reserved.

Vision Innovation Speed Performance Appendix March 2006

Licensees as of March 20, 2006 UbiNetics Ltd.Toshiba Corporation Telefonaktiebolaget LM Ericsson Option NV Nokia Corporation tion Lucent Technologies Inc.LG Electronics Inc. Kyocera Corporation Windshift Holdings, Inc. Sierra WiSamsung Electronics Co. Ltd. Research In Motion Limited Qualcomm Incorporated Japan RadioIwatsu America Inc. Hop-On WiHitachi Ltd. Denso Corporation Danger Inc. Sony Ericsson Mobile Communications AB Pacific Communication Sciences, Inc. Oki Electric Industry Co. Ltd. NEC CorporaNakayo Telecommunications, Inc. Mitsubishi Electric Corporation Matsushita Communication Industrial Co. Ltd. (Panasonic) Kokusai Electric Co. Ltd. reless, Inc. Siemens Aktiengesellschaft Shintom Company Ltd. Sharp Corporation Sanyo Electric Co. Ltd. Robert Bosch GmbH Quanta Computer Inc. Infineon Technologies AG Hughes Network Systems Inc. reless, Inc. High Tech Computer (HTC) Arima Communications Corporation American Telephone and Telegraph Company (A Alcatel Espana (C) 2006 InterDigital Communications Corporation. All rights reserved.

Vision Innovation Speed Performance March 2006