The data_coding byte.
Destination address Numbering-Plan-Indicator.
Destination address Type-of-Number.
Destination address.
The esm_class flags byte.
The priority_flag.
The protocol_id.
The registered_delivery flags byte.
The replace_if_present_flag.
The schedule_delivery_time (empty for immediate).
The service_type (usually empty).
The message body octets (may be empty when carried in a message_payload TLV).
The sm_default_msg_id.
Source address.
Source address Numbering-Plan-Indicator.
Source address Type-of-Number.
Any optional parameters that followed the mandatory body.
The validity_period (empty for the SMSC default).
Shared body shape for
submit_smanddeliver_sm(identical layouts).