This API provides an interface for cross-app phone lookups.
The API doesn't define any service info.
The API doesn't define a provider model.
All messages are JSON objects that have a mandatory attribute "mt" that specifies the message type.
{ mt: "Lookup", prefixIntl: "000", prefixNtl: "00", prefixExt:"0", area: "7031", country: "49", lookup: "0004970311234567" }
    {
        mt: "LookupInfo",
        dn: "Jake Blues",
        link:"someapp?id=4",
        contact: {
            telephonenumber: ["0004970311234567"],
            givenname: "Jake",
            sn: "Blues",
            company: "Blues Brothers",
            sip: ["jbl@example.com"],
            email: ["john.blues@example.com"]
        },
        photourl: "http://1.2.3.4/jbl/avatar.png",
        adjust: true
    }{ mt: "LookupResult" }