If you use Voip, (and even if you do not), you can place your business details (web site etc) in the Morgle directory
If you do use Voip, then users will be able to contact you FOC should they wish to make a business enquiry
Morgle is designed to take all sorts of Voip entries from full phone numbers to voip non-de-plumes al la skype
You can see how it works on
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and it's FOC!