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                                                                    Exhibit 10.4

                                CONTRACT BETWEEN

                                 COLOSPACE, INC.

                                       AND

                            SOUNDBITE COMMUNICATIONS

                                       FOR
                               COLOCATION SERVICE

                                  2 WALL STREET
                              MANCHESTER, NH 03101

                                  JUNE 30, 2004

ColoSpace, Inc.

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                          COLOCATION SERVICE AGREEMENT
                                     BETWEEN
                                 COLOSPACE, INC.
                                       AND
                            SOUNDBITE COMMUNICATIONS

This Agreement dated July __________, 2004, between ColoSpace, Inc. (ColoSpace)
of 432 Beechwood Street, Post Office Box 38, Cohasset, MA 02025-0038 and
Soundbite Communications of ____________________________________________________
concerns the provision of professional and technical services. References to
"provider" within this document refer to ColoSpace; references to "client"
within this document refer to Soundbite Communications.

The parties agree to the following:

TERMS AND CONDITIONS

The following terms and conditions govern ColoSpace's provision of Colocation
Services to the client.

1.   If the services are, or become subject to, a Tariff filed with the Federal
     Communications Commission or any other regulatory institution ('Tariff'),
     the terms and conditions of such Tariff, including rates, shall govern the
     Client's use of the services.

2.   Without ColoSpace's approval, which will not be unreasonably withheld, all
     rights of the Client's account are not transferable and are subject to the
     limitations set by ColoSpace, provided those limitations are reasonable and
     are provided in advance to the Client.

3.   Client agrees to indemnify ColoSpace against all liability for use of
     Client's account, except for any acts of Negligence or willful misconduct
     by a ColoSpace employee.

4.   Client will pay any monthly fees, extra time charges, and other charges
     incurred by the client or its designated users at the rates in effect for
     the billing period in which those charges are incurred. Client shall pay
     all applicable sales and use taxes relating to its use of the ColoSpace's
     system.

5.   Except for the provisions in Attachment B titled Service Level Agreement,
     Client expressly agrees that use of the service, which includes the
     contents hereof, and any storage or use of information, is at the Client's
     sole risk. Neither ColoSpace nor any of its employees warrant that the
     service will be uninterrupted or error free; the service is provided on an
     'as is' basis without warranties of any kind, either expressed or implied.
     Neither ColoSpace nor anyone else involved in creating, producing, and
     delivering the service shall be liable for any direct, indirect,
     incidental, or consequential damages arising out of use of the service or
     inability to use the service or out of any breach of any warranty. The
     provisions of this paragraph will survive any termination of this
     agreement.


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6.   Client will not assign nor in any manner transfer its interests in this
     Agreement without the prior written consent of the other party, except to a
     subsidiary or successor corporation.

7.   No publicity or press release will be released by either party in
     connection with the Agreement without prior written approval of the other
     party.

8.   This Agreement shall be governed by and construed in accordance with the
     laws of the Commonwealth of Massachusetts and the Federal Communications
     Commission.

9.   The contract term for this Agreement is 12 months from the date of signing.
     After the initial Twelve (12) month term period this pricing will remain
     the same and will go into a month to month agreement. All charges will
     remain the same in the Month to Month period as in the 12 Month Term period
     and the same terms and conditions will apply unless either party notifies
     the other in writing at least 30 days prior to the desired cancellation
     date.

10.  Client will carry insurance on client-owned equipment located on ColoSpace
     premises for the replacement value of such equipment.

11.  Recurring charges will be billed on a monthly basis five (5) days prior to
     the month of service to be provided, with net 15-day payment terms. One
     time charges first month and last month charges are due upon execution of
     this contract and prior to moving into the data center

12.  Services Outline: ColoSpace will provide the following services, at its
     Colocation Facility, located at

          _____ 61 Hancock Street, North Quincy, MA 02171

          _____ 1050 Hingham Street, Rockland, MA 02370

          _____ 70 Inner Belt Road, Somerville, MA 02143

            X   2 Wall Street, Manchester, NH 03101

     A.   _____ One quarter of a equipment cabinet (space is 10 U's)

          _____ One half a secure cabinet (space is 20 U's)

          _____ One full standard equipment secure cabinet (space is 40 U's)

            70  Square Feet of Data Center Space

     B.   Minimum of 1 Mbps committed information rate (CIR) on a shared 100
          Mbps Internet feed. Client is responsible for bandwidth charges over 1
          Mbps per month at a rate of $600.00 per Mbps in 1 Mbps increments.
          Bandwidth usage is calculated by peak usage at the 95th percentile.

     C.   Provide 24x7 access, electric power, network connections und
          monitoring

     D.   Provide Secondary DNS service for client's domains

13.  Client agrees that ColoSpace shall not be held liable for any loss or
     damages incurred due to downtime of the above referenced Internet service
     being provided by Verizon, MFS Datanet, MCI, Conversent Networks, C2C
     Fiber, NEON Communications and InterNAP.

14.  ColoSpace is not responsible for any dial-up or other TELCO services
     ordered by Client. Client will obtain, procure, and otherwise contract for
     these services on its own and separate from this contract.

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15.  Consulting services provided by ColoSpace and associated with this contract
     will be billed at a flat hourly rate of $150.00 per hour and in 1/2 hour
     increments. Such services will only be provided if a written letter of
     request or signed purchase order is received by ColoSpace from Client.
     Charges will not be assessed against time which is comprised of repair or
     correction of interruption of services outlined in this contract and it's
     attachments.

16.  The monthly Colocation fee minimum base rate is $3,100.00 per month, as
     outlined in Attachment C. Monthly Colocation fees are payable in advance,
     as long as this agreement is in effect. If payment is not received by the
     15th day of the month, ColoSpace reserves the right to suspend service.
     Payment can be made via check or credit card (Attachment A)

17.  To activate service a deposit of the first and last month (security
     deposit) colocation fees are due, along with any one-time set-up fees
     described in Attachment C. This fee also covers IP addresses, switch
     set-up, domain transfer, and testing/technical services, electrical
     connections and (1) security access badge, additional badges or replacement
     badges are $100.00 each.

     Total amount due to a activate the service is $7,950.00

     If client installs their equipment before the 15th of the month they are
     responsible for a full months fee if they install on the 15th of the month
     or after they will be responsible for 50% of the space rental and a full
     month's fee for all other services.

18.  Cross connect fees are as follows : Pots Line - $20./month
                                         ISDN Line - $30./month
                                         T-1 Circuit - $80./month
                                         T-3 Circuit - $200./month

22.  Attachments A, B, C and D are part of this agreement.

COLOSPACE, INC.                         SOUNDBITE COMMUNICATIONS


/s/ WAYNE SAWCHUK                       /s/ Neil Silverman
-------------------------------------   ----------------------------------------
WAYNE SAWCHUK                           Name: Neil Silverman
President                               Title: Operations Manager

10/9/04                                 7/21/04
Date                                    Date


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                                  ATTACHMENT A
                            CREDIT CARD AUTHORIZATION

I, _____________________________ explicitly authorize ColoSpace, Inc. to bill my
credit card, information listed below, for recurring or one-time fees as
applicable. Such charges will only be in association and compliance with the
terms and services outlined in this contract and its attachments.

Credit cards are processed on the first business day of each month.

Credit Card Number:           __________________________________________________

Card Type:                    __________________________________________________
(MC, Visa, Discover, Amex)

Expiration Date:              __________________________________________________

Name as Appears on Card:      __________________________________________________

Mailing Address:              __________________________________________________
(Where the bill is sent)      __________________________________________________
                              __________________________________________________


-------------------------------------   ----------------------------------------
Signature                               Date

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                                  ATTACHMENT B

COLOSPACE, INC. PROVIDES THE FOLLOWING SERVICES AS PART OF THIS CONTRACT:

DATA CENTER SPACE:

License to use data center space, either rack space, cabinet or a private caged
area. The space will include all required electricity, IP addresses and DNS
service for the customer. All of the above is included in the monthly data
center charges.

SERVICE LEVEL AGREEMENT (SLA):

ColoSpace, Inc. will provide the required amount of bandwidth on a shared 45
Mbps Internet feed for the monthly bandwidth charges. ColoSpace, Inc. guarantees
100% availability to the Internet. If packet loss over our chosen routes reaches
100% during any hour over a one-month period all eligible ColoSpace, Inc.
customers will receive a credit equal to one day of their monthly bandwidth
charges on their monthly bill. Network availability to the Internet will be
calculated by averaging measurements between points located in various
represented geographies by ColoSpace, Inc. during a one-month period.

RENTAL OF THE DATA CENTER SPACE INCLUDES THE FOLLOWING:

POWER:

Our facility is served by a telco-grade power feed from the utility company and
is protected from power surges. Our power supply has a diesel generator
supporting the data center in the event of a power failure. Clients are
responsible for their own UPS to cover the 20-30 seconds between power failure
and full generator power. Both -48 volt DC and 110 volt AC power is available.

ENVIRONMENTAL CONTROLS:

Our data center has a fully redundant Leibert HVAC system - maintaining
temperature and humidity to rigid standards. Systems are monitored 24x7.

FIRE DETECTION AND SUPPRESSION:

Our facility is equipped with electronic smoke and fire detectors monitored
24x7. Our facility is also equipped with a pre-action dry sprinkler system.

SECURITY AND ACCESS:

Physical security and access is provided by security guards on duty 8AM - 5PM
Monday - Friday and by access keys and security badges nights and weekends.
Proximity cards are used to limit access to authorized personnel. In addition,
video cameras record activity 24x7.

NETWORK DESIGN AND BACKBONE:

ColoSpace, Inc. utilizes InterNAP connectivity from our facility in Somerville,
MA. Six tier-one providers have fiber installed into the facility, connecting
their networks. A list of the providers is supplied for reference:

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     Cable and Wireless   Sprint
     Genuity              Verio
     Global Crossing      WorldCom/UUNet

FIBER CARRIERS WITHIN THE MANCHESTER DATA CENTER:

     Verizon: OC-48
     MCI/Worldcom: OC-24

SERVICE LEVEL AGREEMENT (SLA):

ColoSpace, Inc. guarantees 100% availability to the Internet. If packet loss
over our chosen routes reaches 100% during any hour over a one-month period all
eligible ColoSpace, Inc. customers will receive a credit equal to one day of
their monthly bandwidth charges on their monthly bill. Network availability to
the Internet will be calculated by averaging measurements between points located
in various represented geographies by ColoSpace, Inc. during a one-month period.


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ATTACHMENT C
SERVICE AND PRICING SCHEDULE

                                 COLOSPACE, INC.
                         DATA CENTER SPACE AND BANDWIDTH
                            SOUNDBITE COMMUNICATIONS
                                 JUNE 30, 2004

<TABLE>
<S>                                                <C>           <C>
COLOCATION SPACE RENTAL:                            $1,500.00        $2,100.00
70 Sq/ft private cage of data center space in our                ($30.00 per sq/ft)
carrier-grade data center environment in
Manchester, NH. In addition, this item includes
24x7 secure access and 3-20 Amp outlets. Includes
the purchase of 2 white broadwing cabinets that
are currently at the Manchester facility, a
$1,200.00 value.

1 Additional 20 Amp outlet                           $250.00          $150.00

BANDWIDTH:                                             -0-            $600.00
1Mbps of dedicated bandwidth. This item includes
IP addresses and DNS if required. Bandwidth is
delivered on redundant burstable 45 Mbps
connections. Bandwidth is guaranteed to have 100%
uptime.

Additional bandwidth is $600 per meg in 1 meg
increments.

OTHER SERVICES:                                        -0-            $250.00
Cross Connect fees for private lines if                            (for up to 5
required:                                                         cross connects)

Pots Line - $20.00 per month
ISDN Line - $30.00 per month
T1 Circuit - $80.00 per month
T3 Circuit - $200.00 per month

Additional security badges - a one time fee of
$100 each
                                                   SET-UP FEES     MONTHLY COST
TOTAL                                               $1,750.00        $3,100.00
</TABLE>


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SET-UP FEE COVERS THE FOLLOWING:

-    RACK OR CABINET INSTALLATION AND SET UP

-    INSTALLATION OF ELECTRICITY REQUITED

-    IP ADDRESSES

-    SWITCH SET UP

-    DOMAIN TRANSFER

-    EQUIPMENT SET UP AND CONFIGURATION

-    2 SECURITY ACCESS BADGES (ADDITIONAL BADGES COST $100 EACH)

-    TESTING AND TECHNICAL SERVICES DURING INSTALL

UPON CONTRACT SIGNING, SET UP FEE, FIRST MONTH AND LAST MONTH (SECURITY DEPOSIT)
ARE DUE.


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Attachment D

                           COLOSPACE NEW CUSTOMER FORM

Company Name:        Sound Bite Communications, Inc.
Physical Address:    3 Burlington Woods Rd
                     Burlington, MA 01803
Phone:               781-273-3360
Fax:                 781-273-4755
Web Site:            www.soundbite.com
Customer Start Date: 11/15/04

Billing Address:     Same
                     ______________________

Billing Contact:     Terese Menard
Phone:               781-273-3360              Fax: ___________________________

PRIMARY TECHNICAL CONTACT:
Name:                Neil Silverman
Phone:               781-273-3360 x153
Cell Phone:          781-424-4503
Email Address:       nsilverman@soundbite.com
SSN/Dr. Lic#:        MADL S79582991
DOB:                 03-03-73
Access Badge #       ______________________

SECOND TECHNICAL CONTACT:
Name:                Christina Carkner
Phone:               781-273-3360 x134
Cell Phone:          781-789-0059
Email Address:       ccarkner@soundbite.com
SSN/Dr. Lic #:       MA S60449331
DOB:                 10-30-78
Access Badge #       ______________________

ColoSpace Use Only:
Acct #               ______________________    Location: ______________________
Renewal Date:        ______________________

Space:               ________________________________________________
Bandwidth:           ________________________________________________
Managed Services:    ________________________________________________
Other Charges:       ________________________________________________
Set up fee:          ________________________________________________
Total MRC:           ________________________________________________