Uses XML UDP to retrieve the local routing number information (LRN).

Requires IP Authentication to be setup through the portal and associated with LRN under Telco Data.

Send a UDP message with your username and the number you wish to dip to lrnlookup.telnyx.com on port 25201.

For example:

echo -n "<CustomerID>9605a9db-acb7-488c-9fdf-9532ce149e16</CustomerID><QueryNumber>15555555555</QueryNumber>" | nc -4u lrnlookup.telnyx.com 25201

If a number has been ported the response will contain the LRN field, otherwise it will be empty.

Sample response:

<?xml version="1.0"?>
<!DOCTYPE IAP_Msg SYSTEM "IAP_Msg.dtd">
<IAP_Msg>
   <CustomerID>9605a9db-acb7-488c-9fdf-9532ce149e16</CustomerID>
   <EchoData>
      <Transaction_ID></Transaction_ID>
   </EchoData>
   <IAP_Response>
    <Status>OK</Status>
    <DR_LRN>
      <ReplyCodeD>000</ReplyCodeD>
      <PointCode>243.101.000</PointCode>
      <LRN>15555555556</LRN>
    </DR_LRN>
   </IAP_Response>
</IAP_Msg>