First of all, acquire more knowledge and expertise; VoIP is a technology of many techniques. Moreover doing VoIP _business_ is another thing which may require further expertise in many a more fields like marketing, advertising, financial and, or resource management etc.
Wise and, or learned businessmen never ask these kinds of questions, not even from their CA's.
Search and join as many VoIP forums as you can, and push your ads there.
*Please*, *please*, *please* don't do that here in this newsgroup :)
Yeah, you must! these were the toughest questions ever asked about starting a Calling Card and, or VoIP business ;)
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