Y'; exit; } // --- 3. Your Business & Carrier Logic --- // This is where you'll add your custom code to interact with your carrier's API. // Use the variables from Step 1 to build your request to the carrier. // For this example, we'll simulate a successful carrier interaction. $carrier_provisioned_successfully = true; // Change to false to test error handling $carrier_error_message = 'Carrier API Error: Invalid SIM and IMEI combination.'; $new_phone_number_from_carrier = '5551234567'; // A value returned by the carrier // --- 4. Construct the XML Response for TeleCloud --- $xml_response = ''; if ($carrier_provisioned_successfully) { // The operation was a success. $xml_response .= 'Y'; // Example: The carrier assigned a new phone number during activation. // We want to store this in VAR3 on the TeleCloud order. // Your Product Group must have VAR3 configured for this to be saved. $xml_response .= '' . htmlspecialchars($new_phone_number_from_carrier) . ''; // Optional: If provisioning takes a long time, you can tell TeleCloud to wait. // $xml_response .= 'PENDING'; } else { // The operation failed. $xml_response .= 'N'; $xml_response .= '' . htmlspecialchars($carrier_error_message) . ''; } $xml_response .= ''; // --- 5. Send the Response --- echo $xml_response; ?>