Altigen Communications, INC.

410 East Plumeria Drive
San Jose, CA 95134
Phone: 888-AltiGen (258-4436)
Fax: (408) 597-9020

Altigen Communications, INC.
Shanghai, China Office

Room 1106-1110, No. 555 Loushanguan Road
Shanghai 200051, P.R. CHINA
Phone: 0086-21-62287070
Fax: 0086-21-62287508