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Address Parameters

The following table specifies the SMPP parameter values relating to the message
source and destination addresses that will be set by the SMPP Server in
deliver_sm requests.

Field Name Value
source_addr_ton For messages sent from a mobile phone, the source address (MSISDN) will always be expressed in international format, i.e. prefixed with country code. The TON value will therefore always be set to 1.
source_addr_npi Will always be set to 1 by the SMPP Server.
dest_addr_ton The TON value for the destination address will be set according to type of number stored in the address.

  • For alphanumeric addresses: 5
  • For shortcode addresses: 2
  • For longcode addresses: 1
  • If the address type cannot be determined, the TON value will be set to 0.
dest_addr_npi The NPI for the destination address will be set as follows:

  • For alphanumeric and shortcode addresses: 0
  • For longcode or unknown address types: 1

Data Encoding

Messages will be forwarded to the SMPP client using the default encoding of the SMPP Server, i.e. Latin 1.

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