Exhibit 99.1

SOURCE: ChoiceTel Communications

        ChoiceTel Communications Completes Merger With Sontra Medical and
                 Changes its Name to Sontra Medical Corporation

MINNEAPOLIS and CAMBRIDGE, Mass., June 24 /PRNewswire-FirstCall/ -- ChoiceTel
Communications, Inc. (Nasdaq: PHON - News) announced today that it has completed
its merger with Sontra Medical, Inc., a development stage medical device company
engaged in the research and development of transdermal diagnostic and drug
delivery products. In connection with the merger, ChoiceTel Communications has
changed its name to Sontra Medical Corporation and has begun operating in Sontra
Medical's line of business. Its stock will now trade under NASDAQ ticker symbol
"SONT."

Prior to the consummation of the merger, ChoiceTel Communications was able to
increase its net worth, in part by selling its Puerto Rican assets and by
settling some disputes favorably. Accordingly, based on the adjusted exchange
ratio in the merger agreement, Sontra Medical stockholders are entitled to
receive 0.1927 shares of ChoiceTel Communications' common stock for each share
of Sontra common stock they own. ChoiceTel Communications expects to issue
approximately 6.2 million shares of its common stock to the stockholders of
Sontra Medical, representing approximately 67% of the outstanding shares of
ChoiceTel Communications' common stock following the merger. ChoiceTel
Communications announced the signing of the definitive merger agreement on
February 28, 2002.

Gary S. Kohler, founder and Chairman of ChoiceTel Communications, commented, "We
are pleased that the net worth of ChoiceTel was greater than we originally
anticipated, resulting in more cash for the combined entity. We are also pleased
to have completed this merger ahead of schedule. We believe the business model
and solid management of Sontra Medical create greater shareholder value than
ChoiceTel could achieve without this transaction."

James McNab, founder and Chairman of Sontra Medical, noted that "The completion
of this transaction provides Sontra with the capital resources it needs to
continue the development of our ultrasound technology and achieve our vision of
transdermal diagnosis and drug delivery without needles."

About Sontra Medical, Inc.

Sontra Medical, Inc., which is based in Cambridge, Massachusetts, is a
development stage medical device company engaged in the research and development
of transdermal diagnostic products, including transdermal transport of
interstitial fluid for diagnostic purposes. Sontra also is developing technology
for the transdermal delivery of therapeutics and topical components for
pharmaceutical and cosmetic applications. Sontra believes that its
ultrasound-mediated skin permeation technology will provide a platform for the
development of products that offer less painful and more convenient alternatives
to blood tests and needle-free delivery of





biopharmaceutical drugs, thereby improving patient compliance to therapy,
improving their quality-of-life, and reducing health care costs.

Safe Harbor Statement

This press release contains forward-looking statements, express and implied,
that are made pursuant to the safe harbor provisions of the Private Securities
Litigation Reform Act of 1995. These forward-looking statements are neither
promises nor guarantees, but involve risks and uncertainties that could cause
actual results to differ materially from those indicated by such forward-looking
statements. Such risks and uncertainties include, among others, dependence on
key personnel and proprietary technology, uncertainty of product development
efforts, risks associated with the product regulatory approval processes, and
the risk that the conditions to the merger contained in the merger agreement
will not be satisfied and the merger will not be completed. Additional
information on these and other factors that may cause actual results and
performance to differ materially is included in the joint proxy
statement/prospectus contained in ChoiceTel's Registration Statement on Form
S-4/A (the "Registration Statement") filed with the Securities and Exchange
Commission (the "SEC") on May 16, 2002, and in ChoiceTel's periodic and current
reports filed with the SEC, including but not limited to ChoiceTel's Form 10-K
for the year ended December 31, 2001 and in ChoiceTel's Form 10-Q for the
quarter ended March 31, 2002. Copies of such documents may be obtained by
contacting ChoiceTel, Sontra or the SEC. ChoiceTel and Sontra caution readers
not to place undue reliance on any such forward-looking statements, which speak
only as of the date they were made. ChoiceTel and Sontra disclaim any obligation
to publicly update or revise any such statements to reflect any change in
ChoiceTel's and Sontra's expectations or events, conditions, or circumstances on
which any such statements may be based, or that may affect the likelihood that
actual results will differ from those set forth in the forward-looking
statements.

SOURCE: ChoiceTel Communications