TRANSFER Programming Manual

P2 Message Contents
X400 Services
069138, Update 1 to 040970 Tandem Computers Incorporated 6–37
P2 Message Contents Most P2 protocol elements are described in "X400 Service Elements,” earlier in this
section. Table 6-14 lists the protocol elements that were not described earlier.
Table 6-14. P2 Contents
Header Element Contents
P2 (IP) Message ID OUT: Generated by the gateway from defaults
IN: Stored in item data record type 221, record sequence number 1
In Reply To OUT: IP message ID obtained from data record type 221 or the
TRANSFER item ID if the TRANSFER delivery system originated the
package
IN: Package type is changed to 110. If the original message is
available, it is attached with component type 100. If the original (replied-
to) item is not found, an expired item (119) is added to the message.