Gradwell is a communication technology company that provides a variety of services that include broadband internet access, business phone services, email hosting, web hosting, and a computer hardware store.
The Call API lets users add a "call" button to their websites that allows visitors to ask to be called by the user's system. The visitor provides their phone number; one of the user's extensions makes a call to that number; and when the visitor answers, the call is routed to an internal destination.
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So far, we don't have a record of any changes to this API