User`s manual

Appendix A — Cause Code Tables
Table A-2. Q.931 Signal Messages
Decimal
Value LCD and EIA Port Text
0 DIAL TONE ON
1 RINGING
2 INTERCEPT TONE ON
3 REORDER TONE ON
4 BUSY TONE ON
5 CONFIRM TONE ON
6 ANSWER TONE ON
7 CALL WAIT TONE ON
8 O-H WARNING TONE ON
9 CUSTOM TONE ON
11 BUSY VERIFY TONE ON
12 ERROR TONE ON
13 STUTTER DIAL TONE ON
26 RECALL DIAL TONE ON
127 UNSPECIFIED TONE
253 COSTLY ROUTE TONE ON
nnn SIGNAL nnn
A-3