Vertical Announces Teleconference for 2006 Third Quarter Results

CAMBRIDGE, Mass. (May 22, 2006) -- Vertical Communications (VRCC.OB)(“Vertical”), a leading provider of next-generation, IP-based phone systems and applications that help businesses better serve their customers, announced that it will conduct its 2006 third quarter teleconference on Monday May 22, 2006 at 5 p.m. Eastern time.

Teleconference Information
To participate in the teleconference, please dial 1-866-356-4281.  Please refer to teleconference pass code 76642838.  A replay of the teleconference will be available beginning May 22, 2006 at approximately 7 p.m. Eastern time through June 5, 2006.  To listen to the replay by phone, dial 1-888-286-8010, teleconference pass code 10796379.

About Vertical
Vertical Communications, Inc. is a leading provider of next-generation IP-based voice and data communications systems for business. Vertical combines voice and data technologies with business process understanding to deliver integrated IP-PBX and application solutions that enhance customer service and business productivity. Vertical’s customers are leading companies of all sizes – from small to large and distributed – and include CVS/pharmacy, Staples and Apria Healthcare. Vertical is headquartered in Cambridge, Mass. and delivers its solutions through a worldwide network of systems integrators, resellers and distributors. For more information, please visit the company’s Website at www.vertical.com.

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"Safe Harbor" Statement under the Private Securities Litigation Reform Act of 1995.
This release contains forward-looking statements based on current expectations or beliefs, as well as a number of assumptions about future events, and these statements are subject to important facts and uncertainties that could cause actual results to differ materially from those described in the forward-looking statements. The forward-looking statements in this release address a variety of subjects, including, without limitation, the future prospects for our proprietary PBX and IP-PBX systems, our expectation for revenue growth in our next fiscal quarter, our projection that future contracts will result in a lower rate of revenue deferral, our belief that past sales increases are indicators of positive momentum in the IP-PBX and voice applications market, and our belief that the non-GAAP financial measure presented provide information that investors will find useful. The following factors, among others, could cause actual results to differ materially from those described in these forward-looking statements: the risk that we are incorrect in evaluating future prospects for our proprietary PBX and IP-PBX systems, the risk that we do not achieve our expected revenue growth during our next fiscal quarter, the risk that future contracts will result in additional revenue deferrals, the risk that past sales increases do not provide accurate indicators of future momentum in the IP-PBX and voice applications market, the risk that the non-GAAP financial measures presented do not provide meaningful information that investors will find useful, and other factors detailed in the Company's filings with the Securities and Exchange Commission including its most recent filings on Form 10-K.

Trademark Information
Vertical Communications and the Vertical Communications logo and combinations thereof are trademarks of Vertical Communications, Inc.  TeleVantage, InstantOffice and Vertical Networks are registered trademarks of Vertical Communications, Inc.  All other brand and product names are used for identification only and are the property of their respective holders.

Financial Community Contact:
Ken Clinebell
Vertical Communications, Inc.
kclinebell@vertical.com
941-554-5000 ext. 1513