• Microsoft
  • Viber
  • Air Canada
  • Renault

This value is set for both the Originator and Destination Number in every SMS. It is used for both SMS routing and handset display purposes.

The possible NPI values are listed below.

  • Binary ValueDecimal ValueName
    00000Unknown
    00011ISDN/E.164
    00102Reserved
    00113Data numbering plan (X.121)
    01004Telex numbering plan
    01015Service Center specific plan to External Short Msg Entity attach
    01106Service Center specific plan ESME attached to SMSC
    01117Reserved
    10008National numbering plan
    10019Private numbering plan
    101010ERMES numbering plan
    101111Reserved
    110012Reserved
    110113Reserved
    111014Reserved
    111115Reserved

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