Capture valid mobile numbers only on your contact or registration forms.
Using a HLR Lookup to find out the current network of a number enables you to route your calls down your cheapest route, maximising your revenue.
You don't need to send any calls to dead numbers, that will never connect ensuring efficient usage of all available lines.
All Termination providers need to report a good Answer Seize Ratio and a great Answered Call Duration. By dropping any Dead numbers, and routing your calls according to the network provider both of these metrics will increase considerably.
Directly query mobile networks worldwide from the centralised HLR Lookup service.Access HLR Lookup