DELIVER_SM UDRs(4.1)

The following fields are included in the DELIVER_SM UDRs:

Field	Description
`data_coding (int)`	This field defines the encoding scheme of the short message user data, (3) Latin-1 (ISO-8859-1), or (8), USC2 (UTF-16BE). Note! Even though there are several other encoding schemes defined, the mentioned schemes are the only ones currently supported by the SMPP agents.
`dest_addr_npi (int)`	This field indicates the NPI (Numbering Plan Indicator) of the destination address.
`dest_addr_ton (int)`	This field indicates the TON (Type Of Number) of the destination address.
`destination_addr (string)`	This field contains the destination address.
`esm_class (int)`	This field is used for indicating special message attributes associated with the short message. Note! Currently only the messaging mode Store and Forward is supported.
`priority_flag (int)`	This field designates the priority level of the message.
`protocol_id (int)`	This field contains the Protocol Identifier. This is a network-specific field.
`registered_delivery (int)`	This field indicates whether an SMSC delivery receipt or an SME acknowledgement is required or not.
`replace_if_present_flag (int)`	This field indicates whether a submitted message should replace an existing message or not.
`schedule_delivery_time (string)`	This field defines when the short message is to be scheduled by the SMSC for delivery. Set to NULL for immediate message delivery.
`sequence_number (int)`	This field is used for correlating responses with requests. The allowed `sequence_number` range is from 0x00000001 to 0x7FFFFFFF.
`service_type (string)`	This field can be used to indicate the SMS Application service associated with the message. Set to NULL for default SMSC settings.
`short_message (bytearray)`	This field contains the actual SM (Short Message) which can consist of up to 254 octets of user data. Note! Long messages are not supported.
`sm_default_msg_id (int)`	If the SM is to be sent from a list of pre-defined ("canned") SMs stored for the SMSC, this field indicates the ID of the SM. If you are not using an SMSC canned message, set to NULL.
`source_addr (string)`	This field contains the source address.
`source_addr_npi (int)`	This field indicates the NPI (Numbering Plan Indicator) of the source address.
`source_addr_ton (int)`	This field indicates the TON (Type Of Number) of the source address.
`validity_period (string)`	This field indicates the validity period of this message. Set to NULL to request the SMSC default validity period.
`OriginalData (bytearray)`	This field contains the original data in bytearray format.