payment by phone?

[charlyvirtuemart]

Hello to all
New to the world of virtuemart, I am trying to install a site with joomla + virtuemart for a client.
This tells me that it will make payments by phone. So no direct payment via the website.
Ie:
1 / the user reserves a product on the site, then it calls the shop by phone and gives his credit card details.
2 / The shop carries this information with payment by phone and reserve the product.
3 / The user picks the product to the store.

How can I set up a payment system like this?
With thanks for your answers.
Meanwhile a good day at all.
Charlyvirtuemart

[Maxim Pishnyak]

Sounds like using of stock.