U.S. Office:

 31 Debra Dr.
 Dayton, NJ 08810
 U.S.A.
 Tel: +1-732-438-0881
 Fax:+1-732-438-9849
 
 www.vidanetwork.net

Beijing Office:

 Science & Technology Plaza
 9 ZhongGuanCun Ave. South,
 Suite 1315
 Beijing, 100081, China

 Tel: +86-10-6894-9125 or
        +86-10-5220-4567
 www.vidanetwork.net

• How the billing system rates a call, if I have multiple billing plans, or multiple matches for the call?
• How many different billing plans could be defined in the system?
• Why the end user can not dial any numbers?
• How to change or customize my customers (End Users) Interface?