EXHIBIT 99.22

        Avocent and ClearCube Agree on Technology Cooperation


    HUNTSVILLE, Ala.--(BUSINESS WIRE)--Aug. 23, 2006--Avocent
Corporation (NASDAQ:AVCT) announced today that ClearCube Technology,
Inc. has licensed certain patents from it and is evaluating certain
other Avocent technologies with Avocent's Desktop Solutions Division
for potential license. As a result of the agreement, the two companies
dismissed the litigation between them.
    "We are pleased that we were able to reach agreement and bring
this matter to a satisfactory conclusion," stated John R. Cooper,
Chairman and Chief Executive Officer of Avocent. "Although we do not
expect the agreement to have any impact on our expected revenues for
the remainder of 2006, it provides us with the opportunity to work
with ClearCube to develop new technologies and applications in the
desktop, workstation, client blade, and desktop area network
environments, areas where our Desktop Solutions Division is working to
develop new technology."

    About Avocent Corporation

    Avocent Corporation is the leading supplier of connectivity
solutions for enterprise data centers, branch offices, and small to
medium size businesses worldwide. Branded and OEM products include
remote and local access solutions for switching, serial console, power
extension, intelligent platform management interface (IPMI), mobile
and video display management solutions. Additional information is
available at: www.avocent.com.

    Forward-Looking Statements

    This press release contains statements that are forward-looking
statements as defined within the Private Securities Litigation Reform
Act of 1995. These include statements regarding the development by
Avocent of new products and technologies and Avocent's future
protection of patent and intellectual property rights and litigation.
These forward-looking statements are subject to risks and
uncertainties that could cause actual results to differ materially
from the statements made, including the risks associated with product
design efforts and the introduction of new products and technologies
and risks associated with obtaining and protecting intellectual
property rights and the uncertainty of litigation. Other factors that
could cause operating and financial results to differ are described in
our annual report on Form 10-K filed with the Securities and Exchange
Commission on March 6, 2006 and our quarterly report on Form 10-Q
filed with the SEC on August 4, 2006. Other risks may be detailed from
time to time in reports to be filed with the SEC. Avocent does not
undertake any obligation to publicly update its forward-looking
statements based on events or circumstances after the date hereof.


    CONTACT: Avocent Corporation
             Edward H. Blankenship, 256-217-1301