EXHIBIT 10.22

                                   ASSIGNMENT
                                   ----------


     WHEREAS, Cleartel Communications, Inc. (Assignor), a District of Columbia
corporation, located and doing business at 1232 22/nd/ Street, N.W., Washington,
D.C. 20037, is the owner of the following trademarks and U.S. registrations
therefore:



     TRADEMARK                      APPLN/REG. NO.          FILING/REG. DATE
     ---------                      --------------          -----------------
                                                      
     INTERNET SERVICE FOR                                
     THE 21ST CENTURY               75/422,964             January 23, 1998
                                                         
     LANJACK                        75/389,573             November 13, 1997
                                                         
     OVERVOICE                      75/298,311             May 27, 1997
                                                         
     TELEFARE                        1,833,488             April 26, 1994
                                                         
     THE WAIT IS OVER               75/423,436             January 23, 1998


(hereinafter referred to an "Assignors' Marks"); and

     WHEREAS, CAIS, Inc., (Assignee) a Virginia corporation, located and doing
business at 1232 22nd Street, N.W., Washington, D.C. 20037 is desirous of
acquiring Assignor's Marks;

     NOW, THEREFOR, for good  and valuable consideration, the receipt of which
is hereby acknowledged, Assignor does hereby sell, assign, set over and transfer
to Assignee, the entire right, title and interest in and to Assignor's Marks and
any and all U.S. Applications and Registrations as set forth herein, together
with the whole of the goodwill of the business pertaining thereto, the rights of
the Assignor to be held and enjoyed by Assignee for its own use and enjoyment,
and for the use and enjoyment of its 

 
successors, assigns or other legal representatives, at common law and/or to the
end of the term or terms for which registration of the Assignor's Marks may be
granted or renewed, as fully and entirely as the same would have been held and
enjoyed by Assignor if this Assignment and sale had not been made; together with
all claims for damages by reason of past infringement of the Assignor's Marks
with the right to sue for and collect the same for its own use and benefit, and
for the use and on behalf of its successors, assigns or other legal
representatives.

IN TESTIMONY WHEREOF, Assignor has caused its name to be assigned and its seal
affixed, by its duly authorized officer, this    9th   day of     February
                                              --------        -----------------
, 1999.

                              Cleartel Communications, Inc.

                              By:   /s/ Ulysses G. Auger, II
                                  ----------------------------------------------
                                    Signature

                                     Ulysses G. Auger, II
                                ------------------------------------------------
                                    Typed Name

                                     President
                                ------------------------------------------------
                                    Title
I.D.:  JCH/dls
Folio:  9580/T25933US0
Date: