Event information

           8  7  6  5  4  3  2  1
        1  H  --Event indicator--


Event indicator:
0 0 0 0 0 0 0 - spare
0 0 0 0 0 0 1 - ALERTING
0 0 0 0 0 1 0 - PROGRESS
0 0 0 0 0 1 1 - in-band information or an appropriate pattern is now available
0 0 0 0 1 0 0 - call forwarded on busy (national use)
0 0 0 0 1 0 1 - call forwarded on no reply (national use)
0 0 0 0 1 1 0 - call forwarded unconditional (national use)
0 0 0 0 1 1 1
    to
1 1 1 1 1 1 1 - spare (Note)
NOTE - Coding of this indicator is frozen; no additional codes can be defined
for compatibility.

H - Event presentation restricted indicator (national use)
0 - no indication
1 - presentation restricted