OID value: 1.3.26.0.4406.0.2.8
OID description:
This element of service enables the originating
MM-UA to indicate to the recipient MM-UA that message
instructions accompany the message. (Message
instructions are also called remakrs.) It may be used
to carry operating signals specified in ACP 131 and related
national publications.
See also the OID Repository website reference for 1.3.26.0.4406.0.2.8