EXHIBIT 10.18

      GTE
INTERNETWORKING



                     SERVICE QUOTATION FOR NET VOICE
-------------------------------------------------------------------------

TO:  Bill Bedri                         Quote Date:     Jul 7, 1998
     Net Voice                          Quote Valid To: Jul 8, 1998
     13747 Mont Fort Drive              Quote Number:   60921.9999.1
     Dallas, TX 75240                   Service Level: Internet Advantage
                                                       5.1, Fixed T1
                                                       Bronze
     USA



Service Period (please check one as applicable):
-----------------------------------------------

 [X] 1 Year       [  ] 2 Years       [  ] 3 Years

The Service Period shall commence upon the provisioning by BBN
Corporation, a subsidiary of GTE Internetworking Incorporated ("we",
"our", or "us"), to you of the services listed on this Service Quotation.

Recurring Fees (1 year contract)                  Monthly        Annual
--------------------------------                  -------        ------
Leased Circuit Monthly Recurring                  $293.95      $3,527.40
T1 Class Loaner Equipment                         $250.00        $250.00
                                                ---------      ---------
                                                  $543.95      $3,777.40

One-Time Fees             List Price  Discount   One-Time
-------------             ---------- ---------   --------
Activation, T1             $2,500.00    50.0%   $1,250.00
Leased Circuit
 Installation Fee                                   $0.00
T1 Class Loaner Equipment -
 Shipping & Handling                              $100.00
                                                ---------
                                                $1,350.00

Internet Advantage v5.1 Connection Service is a comprehensive, fully-managed
offering for customers who view the Internet as a strategic
resource and require a high level of reliability, quality, and
performance to use the Internet as a vehicle for collaboration and commerce.

Internet Advantage Bronze Connection Service is monitored and maintained
by GTE Internetworking 24 hours a day, 365 days a year by experienced
operators, technicians, and analysts, and includes the following at no
additional charge:

- Domain Name Service (DNS): Primary and secondary DNS are provided for
up to 10 domains and 100 kilobytes of associated zone data file storage.
We will also register up to 10 domain names for you with InterNIC.  Fees
for initial registration and on-going maintenance fees for each domain
name will be billed to you directly by InterNIC.

- Stats Advantage Usage Reporting: Provides on-demand, web-based
graphical and tabular management summaries of traffic statistics from
your Internet connection to support your monitoring and capacity planning
needs.  In order to be able to view or receive Stats Advantage reports,
Internet Advantage Bronze Connection Service customers must provide GTE
Internetworking with a community string permitting read-only SNMP access
to the CPE router.

- Network News Feed: Access to a virtually unlimited number of Internet
news groups, bulletin boards, and discussion forums.

- Web-Based Training: Self-service, web-based training on Internet
technology, configuration and installation information, and guidelines
for installing and operating Internet applications.

For an additional charge, Customer Premises Equipment (CPE) and
associated maintenance are available under Internet

<PAGE>

      GTE
INTERNETWORKING



                     SERVICE QUOTATION FOR NET VOICE
-------------------------------------------------------------------------

TO:  Bill Bedri                         Quote Date:     Jul 7, 1998
     Net Voice                          Quote Valid To: Jul 8, 1998
     13747 Mont Fort Drive              Quote Number:   60921.9999.1
     Dallas, TX 75240                   Service Level: Internet Advantage
     USA                                               5.1, Fixed T1



Advantage Bronze Connection Service.

New customer orders for Internet Advantage Connection service must be
placed for at least an initial one-year term.  Service discounts may be
available for multi-year commitments.  Activation, advanced features, and
hardware-related fees are not discountable.

Telco-related fees contained within this quotation may be estimates and
are not discountable.  In all cases, we will bill customers for actual
incurred telco charges and taxes, including any applicable cross-connect
and facility entrance fees.  Standard telco extended demarcations will be
billed at $150; non-standard telco extended demarcations will be quoted
on an individual case basis.

An invoice for all one-time fees will be issued following the completion
of service activation.  Recurring fees will be invoiced on a monthly
basis in arrears.

With fixed price T1 service, you lock in a constant monthly fee
regardless of how much bandwidth you use.

All invoices are payable net 30 days.  Applicable taxes will be additional.

This Service Quotation is applicable only for version 5.1 of Internet
Advantage Connection Service.  This Service Quotation does not entitle
you to any future versions or releases of such service that we may make
available during the Service Period unless separately agreed to in
writing by the parties.









<PAGE>

      GTE
INTERNETWORKING



                     SERVICE QUOTATION FOR NET VOICE
-------------------------------------------------------------------------

TO:  Bill Bedri                         Quote Date:     Jul 7, 1998
     Net Voice                          Quote Valid To: Jul 8, 1998
     13747 Mont Fort Drive              Quote Number:   60921.9999.1
     Dallas, TX 75240                   Service Level:  Internet Advantage
     USA                                                5.1, Fixed T1


Additional Terms:
-----------------

(a)  The Service Quotation and all Services that may be provided pursuant
     to this Service Quotation are subject to the terms and conditions of
     (a) the Master Agreement for Internetworking Services or the Master
     Agreement for Internet Services or Internet Services and Products
     Master Agreement previously signed by you (or, if you have not
     signed such a Master Agreement, the terms and conditions of the
     current Master Agreement for Internetworking Services), and (b) the
     Service Schedule for the applicable Services you are purchasing as
     indicated in this Service Quotation.

(b)  Final acceptance of this Service Quotation by us is subject to
     credit check approval, and confirmation of a valid Master Agreement
     and Service Schedule signed by Customer.

(c)  Any terms and conditions (including but not limited to those
     contained in a purchase order issued by Customer) which are
     different from or in addition to the terms and conditions contained
     in this Service Quotation, the applicable Master Agreement, and/or
     the applicable Service Schedule(s) signed by Customer, shall not be
     binding on us unless expressly accepted in writing, herein or
     otherwise, by our authorized representative, and we hereby object to
     and reject all terms and conditions not so accepted.

-------------------------------------------------------------------------

  Customer (Type or Print Full Name):William Bedri, NetVoice Technologies
                                     ------------------------------------

  Signature: /s/ WILLIAM BEDRI               Date:
            ----------------------                -----------------------

  Print Name: William Bedri                  Title:   President
            ----------------------                -----------------------
-------------------------------------------------------------------------

Purchase orders should be made out to:
          GTE Internetworking
          Attention: Michael Zenga
          10 Moulton St
          Cambridge, MA 02138

Should you have questions about this quotation, please contact Michael
Zenga at 617-873-4475, Fax: 617-873-3599.
E-mail: mzenga@bbnplanet.com