provided by Star2Billing S.L.

hi ,all.
I came from China,I have purchased GSMODEM for the access number of callback, but I lack the calling number submit module that can be sent to the URL of the page .anyone help me can do it ? thank you very much.

You can use any DID for callback.
We use DID from Canada and it works for whole world.
You just should change international prefix to your configuration to make outbound calls on your machine.

http://mobile-phone-card.com/cc_main.php