VALIDATE BY LRN
Line Type Comparisons Using the LRN
Line type intelligence is used to identify the carrier and phone line type, such as mobile, landline, fixed VoIP, non-fixed VoIP, toll free, and more.
You will send us the ANI and ANI2 line type from your live call. We use the ANI to lookup the LRN, if there is one. We will use the LRN to look up the NPA-NXX from the LERG to get the assigned line type for that NPA-NXX. If that line type matches the ANI2 line type sent to us from the call stream, the data is considered a match and the appropriate validation code of 0 is sent back to you. If the data does not match, then a validation code of 1 is sent back to you. You can use that information to determine the call treatment in your business.
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TECHNICAL DETAILS FOR VALIDATE BY LRN
API REQUEST - FROM CUSTOMER TO AAPI
Request:
{"username":"***********","password":"***********","request_date_time":"2026-05-23 13:09:47","universal_id":"APIREQ_20260523130947","request_type":"validate_by_lrn","ani":"18176584172","ani2":"62"}
API RESPONSE - FROM AAPI TO CUSTOMER
Response:
{"username":"***********","password":"***********","responseCode":200,"transactionId":"API_REQ_20260523130947","responseDateTime":"2026-05-23 13:09:47","responseData":{"return":0}}
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