ACC X.25 Protocol User's Guide

X.25 Status and Completion Messages
Unsolicited Status Messages
Appendix A 143
char x25pkdata[X25PKDATALEN]; /* Facility and user data */
} x25pkform_type
Figure A-1 Packet Data layout
X
X
X
Delivery Confirmation Bit State
Cause
Diagnostic
Use this address instead of default
4-Bit Length
Use this address instead of default
4-Bit Length
Called X.121 Address (BCD)
Called X.121 Address (BCD)
Byte length of facility data (-1 default)
Byte length of user data (-1 default)
Facility data followed by user data
(Variable length)
.
.
.
16 Bits
X25PKDBIT
X25PKCAUS
X25PKDIAG
X25PKDFLG
X25PKCALD
(8 Bytes)
X25PKGFLG
X25PKCLNG
(8 Bytes)
X25PKFLEN
X25PKULEN
X25PPKDATA