2Wire, Inc

     Web Site:     http://www.2wire.com

     1704 Automation Parkway

     San Jose     CA     9513

                 408                 428-9500

  3COM HeadQuarters

     Web Site:     http://www.3com.com

     5400 Bayfront Plaza

     Santa Clara     CA     95052

                 408                 326-5000

  ADIR Technologies, Inc.

     Web Site:     http://www.adirtech.com/

     520 Broad Street

     Newark,     NJ     07102

                 973                 438-3550

  AG Communication Systems

     Web Site:     http://www.agcs.com/

     333 East First Street

     Genoa     IL     60135-1092

                 632                 582-7000

  AltiGen Communications

     Web Site:     http://www.altigen.com/

     47427 Fremont BLVD.

     Fremont,     CA     94538

                 510                 252-9712

  Amtelco XDS Technology

     Web Site:     http://www.xds.amtelco.com

  Anyuser

     Web Site:     http://www.anyuser.com/

     18000 Studebaker Road, Suite 295

     Cerritos,     CA     90703

                 562                 -865-9730

  Apropos Technologies

     Web Site:     http://www.apropos.com

     One Tower Lane, 28th Floor

     Oakbrook Terrace,     IL     60181

                 630                 472-9600

  ArialPhone Corporation

     Web Site:     http://www.arialphone.com

     104 Terrace Dr.

     Mundelein     IL     60060

                 847                 949.3173

  Artisoft Inc.

     Web Site:

     1 South Church Ave. Ste.2200

     Tucson     AZ     85701

                 520                 670-7100

  aTelo

     Web Site:     http://www.atelo.com

     2107 Wilson Blvd., Suite 301

     Arlington     VA     22201

                 703                 276-9000

  AudioCodes Inc.

     Web Site:

     2890 Zanker Road, Suite 200,

     San Jose     CA     95134

                 408                 577-0488

  Avaya Inc.

     Web Site:     www.Avaya.com

     211 Mount Airy Road

     Basking Ridge     NJ     07920

                 908                 953-5017

  Broadsoft

     Web Site:     http://www.broadsoft.com/home.html

     220 Perry Parkway

     Gaithersburg,     MD     20877

                 301                 977-9440

  Centile, Inc.

     Web Site:     http://www.centile.com/

     2445 Mission College Blvd.

     Santa Clara,     CA     95054

                 408                 907.8300

  Cisco (RTP)

     Web Site:

     7025 Kit Creek Drive Lake Building

     RTP     NC     27709-4987

                 919                 392-7939

  City-Net Technology

     Web Site:     http://www.citynetek.com/home.htm

     135 E. Chestnut Ave., Suite 9B,

     Monrovia     CA     91016

                 626                 599-8556

  Clarent Corporation

     Web Site:     http://www.clarent.com

     700 Chesapeake Drive

     Redwood City,     CA     94063

                 650                 306-7511

  Commworks

     Web Site:     http://www.commworks.com/About/

     3800 Golf Road

     Rolling Meadows     IL     60008

                 847                 262-5000

  Copia

     Web Site:     http://www.copia.com/

     1220 Iroquois Drive

     Naperville     IL     60563

                 630                 388-6900

  CSS Laboratories, Inc.(HQ)

     Web Site:     http://www.csslabs.com

     1641 McGaw Ave

     Irvine     CA     92614

                 949                 852-8161

  Difinium

     Web Site:     http://www.difinium.com

     2 Venture, Suite 430

     Irvine     CA     92618

                 949                 727-3338

  DSG Technology - HQ

     Web Site:     http://www.dsgtechnology.com/

     7F, 222 Cheng Teh Road, Sec. 4,

     Taipei,     111

     88        62     88615558

  DynaMetric

     Web Site:     www.dynametric.com

     717 South Myrtle Avenue

     Monrovia     CA     91016

                 626                 358-2559

  E-Tel Corporation

     Web Site:     http://www.e-telcorp.com/

     207 Quaker Lane, # 200

     West Warwick     RI     02893

                 401                 823.050

  Engage Communication

     Web Site:     http://www.engagecom.com/

     9053 Soquel Drive

     Aptos     CA     95003

                 831                 688-1021

  ePhone Telecom

     Web Site:     www.ephonetelecom.com

     1145 Herndon Corporate Center

     Herndon     VA     20170-5535

                 703                 787-7000

  EPOS Corporation

     Web Site:     http://www.epos.com/

     177 Technology Parkway

     Auburn,     AL     36830

                 334                 321-EPOS

  ESI (Estech Systems, Inc.)

     Web Site:     info@esi-estech.com

     2601 Summit Ave.

     Plano     TX     75074

                 972                 422-9700

  Eyretel

     Web Site:     http://www.eyretel.com/

     11720 Beltsville Drive 3rd Floor

     Calverton     MD     20705

                 301                 586-1900

  Gallery-ipT

     Web Site:     http://www.g-ipt.com/

     One Spring Hill Road

     Annandale     NJ     08801

                 908                 238 1600

  Global Communication

     Web Site:     http://www.globaltech-us.com/home.htm

     14455 Webb Chapel Road

     Dallas,     TX     75234

                 972                 620-1670

  GM Voices

     Web Site:     http://www.gmvoices.com/

     2001 Westside parkway, Suite 290

     Alpharetta     GA     30004

                 770                 752.4500

  Indigo Software

     Web Site:     www.infigosw.com

     505 Montgomery Street

     San Francisco     CA     94111

                 415                 887-3511

  Interactive Intelligence

     Web Site:     http://www.inter-intelli.com

     8909 Purdue Rd, Suite 300

     Indianapolis     IN     46268

  Interline Telephone Services

     Web Site:     http://www.interline.aust.com/

     Interline Networks Level  5, 77 Berry Street

     North Sydney     NSW     2060

     61        2     9964 0334

  Interstar Technologies Inc.

     Web Site:     http://faxserver.com/

     5835 Verdun Avenue

     Montreal     Quebec     H4H 1M1

     1          888     766-1668

  IP Unity

     Web Site:     http://www.ipunity.com

     1575 McCandless Drive

     Milpitas     CA     95035

                 408                 957-0800

  IpDialog Inc.

     Web Site:     http://www.ipdialog.com

     1762 Technology Drive, Suite 124

     San Jose     CA     95110

                 408                 451 1430

  Iperia

     Web Site:     http://www.iperia.com

     77 South Bedford Street

     Burlington     MA     01803

                 781                 993-3500

  Jasomi Networks

     Web Site:     http://www.jasomi.com/

     2033 Gateway Place, Suite 500

     San Jose     CA     95110

                 408                 252-VOIP

  Mediatrix Telecom, Inc.

     Web Site:     http://www.mediatrix.com/

     4229 Garlock Street

     Sherbrooke     Quebec     J1L 2C8

                 819                 829-8749

  Metropolis Technologies, Inc.

     Web Site:     http://www.metropolis-tech.com/

     5580 La Jolla Blvd. # 8

     La Jolla     CA     92037

                 858                 488-4600

  MIP Telecom

     Web Site:     http://www.miptel.com

     2F KMIT Bldg., 829-1 Yeoksam1-Dong

     Gangnam-Gu,     Seoul     135 – 936

  Multi-Tech Systems

     Web Site:     www.multitech.com

     2205 Woodale Drive

     Mounds View     MN     55112

                 763                 717-5525

  NACT

     Web Site:     http://www.nact.com/

     191 West 5200 North

     Provo,     UT     84604

                 801                 802.3000

  NetCentrex

     Web Site:     http://www.netcentrex.net/

     2001 Gateway Place, Ste 301 E

     San Jose     CA     95110

                 408                 521 7400

  NexTone Communications

     Web Site:     http://www.nextone.com/

     9700 Great Seneca Highway

     Rockville     MD     20850

                 240                 453-6300

  NMS Communications

     Web Site:     http://www.nmss.com/

     100 Crossing Boulevard

     Framingham     MA     01702

                 508                 271 1000

  Nortel Networks Investor

     Web Site:     http://www.nortelnetworks.com/index.html

     8200 Dixie Road, Suite 100

     Brampton     Ontario     L6T 5P6

     1          403     291-7409

  Nuera Communications, Inc.

     Web Site:     www.nuera.com

     10445 Pacific Center Court

     San Diego     CA     92121

                 858                 824-6339

  NX Networks

     Web Site:     http://www.nxnetworks.com/

     13595 Dulles Technology Drive, Suite 100

     Herndon     VA     20171-3424

                 703                 742-6000

  PheonixSoft, Inc.

     Web Site:     http://www.phoenix-soft.com/

     6530 N. 16th Street

     Phoenix     AZ     85016

                 602                 788-6100

  Pingtel Corp.

     Web Site:     www.pingtel.com

     400 West Cummings Park, Suite 2200

     Woburn     MA     01801

                 781                 938-5306

  Polypix

     Web Site:     http://www.polypix.com

     1Fl, Sungdo Venture Tower, 165-2, Samsung-Dong

     KangNam-Ku,     Seoul,     135-881

     82        2     552-3511

  Pulsar Communications

     Web Site:     http://www.pulsarcomm.com

     8111 LBJ Freeway, Suite 1000

     Dallas     TX     75251

                 972                 699-6200

  QuesCom

     Web Site:      http://www.quescom.com/index.asp

     Sophia Antipolis 7 Rue Soutrane - BP 327

     Sophia Antipolis     Cedex     06906

     33        4            97 23 48 48

  Quicknet Technologies, Inc.

     Web Site:     http://www.quicknet.net/

     520 Townsend Street

     San Francisco     CA     94103

                 415                 864-5225

  Sonus Networks

     Web Site:     http://www.sonusnetworks.com/

     5 Carlisle Road

     Westford     MA     01886

                 978                 392 8100

  SpectraLink Corporation

     Web Site:     http://www.spectralink.com/

     5755 Central Avenue

     Boulder     CO     80301

                 303                 440-5330

  Sylantro Systems

     Web Site:     http://www.sylantro.com/home.html

     910 East Hamilton Avenue

     Campbell     CA     95008

                 408                 626.2300

  Telephony @ Work

     Web Site:     http://www.telephonyatwork.com/main.html

     4225 Executive Square, 6th Floor

     La Jolla     CA     92037

                 858                 410-1600

  Telera Inc.

     Web Site:     http://www.telera.com/

     910 East Hamilton Avenue, Suite 200

     Campbell     CA     95008-0625

                 408                 626-6800

  teleSys

     Web Site:     http://www.telesys.com/

     1900 S. Norfolk St., Suite 220

     San Mateo     CA     94403

                 650                 522-9922

  Tone Commander Systems, Inc.

     Web Site:     http://www.tonecommander.com/

     11609 49th Place West

     Mukilteo,     WA     98275-4255

                 425                 349-1000

  Topcall

     Web Site:     http://www.topcall.com

     200 Chester Field Parkway

     Malvern,     PA     19355

  VoIP Voice

     Web Site:      http://www.voipvoice.com/

     Dept. PDT, 9th Floor, 8 Exchange Quay,

     SALFORD,     Greater Manchester,     M5 3EJ,

     44        161     874 3500