OID value: 1.3.26.0.4406.0.2.5
OID description:
This element of service consist of a Date-Time
Group (DTG). Depending upon national requirements,
the DTG may indicate either the date and time when
the message was officially released by the releasing
officer or the date and time when the message was handed
into a communications facility for transmission.
See also the OID Repository website reference for 1.3.26.0.4406.0.2.5