Проверить поддержку биллинга для абонента

{
  "msisdn": "79600000000"
}

{
  "success": true,
  "data": {
    "supported": true,
    "customer": {
      "type": "mobile_phone",
      "msisdn": "79600000000"
    }
  }
}

<?xml version="1.0" encoding="utf-8"?>
<Request>
  <Header>
    <Authentication>
      <Login>demo_login</Login>
      <NowUtc>20260921120000</NowUtc>
      <Signature>0000000000000000000000000000000000000000000000000000000000000000</Signature>
      <SignatureVersion>3</SignatureVersion>
    </Authentication>
  </Header>
  <CheckCustomerBillingSupportRequest>
          <ProjectID>1001</ProjectID>
          <ClientIP>127.0.0.1</ClientIP>
          <MobilePhoneCustomer>
            <MSISDN>79600000000</MSISDN>
          </MobilePhoneCustomer>
        </CheckCustomerBillingSupportRequest>
</Request>

<?xml version="1.0" encoding="utf-8"?>
<Response>
  <CheckCustomerBillingSupportResponse>
    <MobilePhoneCustomer>
      <MSISDN>79600000000</MSISDN>
      <Country>ru</Country>
      <NetworkID>7</NetworkID>
      <OperatorID>22</OperatorID>
    </MobilePhoneCustomer>
    <IsCustomerBillingSupported>true</IsCustomerBillingSupported>
  </CheckCustomerBillingSupportResponse>
  <ResultCode>0</ResultCode>
  <ResultDescription>OK</ResultDescription>
</Response>