U.S. Headquarters

Dynacom Corporation
1366 San Mateo Avenue, Suite 201
South San Francisco, CA 94080
Tel: 650-589-9200
Fax: 650-589-0845
sales@dynacomcorp.com



Southern California

Data Voice Associates
6780 Katella Avenue
Cypress, CA 90630
Tel: 714-335-3430
Fax: 949-951-7343
lmhowe@msn.com



Illinois

Splonco, Inc.
14-B Stonehill Drive
Oswego, IL 60543
Tel: 630-551-0818
Fax: 630-551-0040
splonco@ameritech.net



Beijing, China

Room 2306, Unit B, Winterless Center
No. 1, West Dawang Road
Beijing, China 100026
Tel: 010-6538-8192
Fax: 010-6538-8200
Web: www.bjnetcom.com.cn



Shanghai, China

Shanghai Netcom Systems Co., Ltd.
Room G, 25FL, 768 Xietu Road
Shanghai, China 200023
Tel: (86)21-5301-7280 (86)21-5301-7281 Ext.18
Fax: (86)21-5301-2856
samuelnetcom@yahoo.com