<DOCUMENT>
<TYPE>EX-99.1
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<FILENAME>a5410765ex99-1.txt
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
                                                                    Exhibit 99.1


     InterDigital Issues Revenue Guidance for Second Quarter 2007


    KING OF PRUSSIA, Pa.--(BUSINESS WIRE)--May 23, 2007--InterDigital
Communications Corporation (NASDAQ:IDCC) today announced that it
expects total second quarter 2007 revenue to be in the range of
approximately $52.5 million to $54 million. This range does not
include any potential positive impact from new agreements that may be
signed during second quarter 2007 or additional royalties identified
in audits regularly conducted by the company. Expected revenues for
second quarter 2007 include the following approximate amounts:

    --  Recurring patent licensing revenue from existing licensees in
        the range of $52 million to $53 million; and,

    --  Revenue related to technology solution agreements in the range
        of $0.5 million to $1 million.

    Richard Fagan, InterDigital's Chief Financial Officer, noted, "Our
second quarter 2007 revenue performance reflects solid mobile device
market fundamentals and strong performance from our broad base of
licensees."

    About InterDigital

    InterDigital Communications Corporation designs, develops and
provides advanced wireless technologies and products that drive voice
and data communications. InterDigital is a leading contributor to the
global wireless standards and holds a strong portfolio of patented
technologies which it licenses to manufacturers of 2G, 2.5G, 3G, and
802 products worldwide. Additionally, the company offers baseband
product solutions and protocol software for 3G multimode terminals and
converged devices, delivering time-to-market, performance and cost
benefits. For more information, visit the InterDigital website:
www.interdigital.com.

    This press release contains forward-looking statements regarding
our current beliefs, plans, and expectations as to our second quarter
2007 recurring and non-recurring revenues. Words such as "expect,"
"potential" or similar expressions are intended to identify such
forward-looking statements.

    Forward-looking 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) timely receipt and final
reviews of licensee royalty reports and related matters; (ii) changes
in the market share and sales performance of our licensees, delays in
product shipments by our licensees, and any delay in receipt of
quarterly royalty reports from our licensees; (iii) unanticipated
acceleration in the execution of patent license and/or technology
solution agreements during second quarter 2007; and, (iv) changes in
performance against technology milestone deliverables in our
technology agreements.

    InterDigital is a registered trademark of InterDigital
Communications Corporation.


    CONTACT: InterDigital Communications Corporation
             Media Contact:
             Jack Indekeu, +1 (610) 878-7800
             Email: jack.indekeu@interdigital.com
             or
             Investor Contact:
             Janet Point, +1 (610) 878-7800
             Email: janet.point@interdigital.com
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